Home / 30,233,786.40-45,350,679.60-10,039,028.40

Finding the Fourth Proportional to 30,233,786.40, 45,350,679.60 and 10,039,028.40

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Solution

The fourth proportional to 30,233,786.40, 45,350,679.60 and 10,039,028.40 is: 15,058,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233,786.40 : 45,350,679.60 = 10,039,028.40 : x
  2. Step 2: Convert to fraction form
    30,233,786.40/45,350,679.60 = 10,039,028.40/x
  3. Step 3: Cross multiply
    30,233,786.40x = 45,350,679.60 × 10,039,028.40
  4. Step 4: Simplify right side
    30,233,786.40x = 455,276,760,463,700.69
  5. Step 5: Solve for x
    x = 455,276,760,463,700.69/30,233,786.40
  6. Step 6: Final answer
    x = 15,058,542.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.