Home / 20,856,266.47-31,244,046.75-11,730,637.18

Finding the Fourth Proportional to 20,856,266.47, 31,244,046.75 and 11,730,637.18

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Solution

The fourth proportional to 20,856,266.47, 31,244,046.75 and 11,730,637.18 is: 17,573,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856,266.47 : 31,244,046.75 = 11,730,637.18 : x
  2. Step 2: Convert to fraction form
    20,856,266.47/31,244,046.75 = 11,730,637.18/x
  3. Step 3: Cross multiply
    20,856,266.47x = 31,244,046.75 × 11,730,637.18
  4. Step 4: Simplify right side
    20,856,266.47x = 366,512,576,459,208.12
  5. Step 5: Solve for x
    x = 366,512,576,459,208.12/20,856,266.47
  6. Step 6: Final answer
    x = 17,573,259.19

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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.