Home / 20,130,728.04-30,174,371.01-9,883,670.76

Finding the Fourth Proportional to 20,130,728.04, 30,174,371.01 and 9,883,670.76

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Solution

The fourth proportional to 20,130,728.04, 30,174,371.01 and 9,883,670.76 is: 14,814,841.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,728.04 : 30,174,371.01 = 9,883,670.76 : x
  2. Step 2: Convert to fraction form
    20,130,728.04/30,174,371.01 = 9,883,670.76/x
  3. Step 3: Cross multiply
    20,130,728.04x = 30,174,371.01 × 9,883,670.76
  4. Step 4: Simplify right side
    20,130,728.04x = 298,233,548,452,928.69
  5. Step 5: Solve for x
    x = 298,233,548,452,928.69/20,130,728.04
  6. Step 6: Final answer
    x = 14,814,841.66

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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.