Home / 31,652,457.17-47,533,020.14-19,428,202.58

Finding the Fourth Proportional to 31,652,457.17, 47,533,020.14 and 19,428,202.58

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Solution

The fourth proportional to 31,652,457.17, 47,533,020.14 and 19,428,202.58 is: 29,175,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,652,457.17 : 47,533,020.14 = 19,428,202.58 : x
  2. Step 2: Convert to fraction form
    31,652,457.17/47,533,020.14 = 19,428,202.58/x
  3. Step 3: Cross multiply
    31,652,457.17x = 47,533,020.14 × 19,428,202.58
  4. Step 4: Simplify right side
    31,652,457.17x = 923,481,144,540,831.38
  5. Step 5: Solve for x
    x = 923,481,144,540,831.38/31,652,457.17
  6. Step 6: Final answer
    x = 29,175,654.18

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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.