Home / 30,344,076.64-45,404,140.47-18,220,923.28

Finding the Fourth Proportional to 30,344,076.64, 45,404,140.47 and 18,220,923.28

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Solution

The fourth proportional to 30,344,076.64, 45,404,140.47 and 18,220,923.28 is: 27,264,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,076.64 : 45,404,140.47 = 18,220,923.28 : x
  2. Step 2: Convert to fraction form
    30,344,076.64/45,404,140.47 = 18,220,923.28/x
  3. Step 3: Cross multiply
    30,344,076.64x = 45,404,140.47 × 18,220,923.28
  4. Step 4: Simplify right side
    30,344,076.64x = 827,305,360,098,213.12
  5. Step 5: Solve for x
    x = 827,305,360,098,213.12/30,344,076.64
  6. Step 6: Final answer
    x = 27,264,146.80

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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.