Home / 13,785,801.71-20,679,480.17-4,201,492.91

Finding the Fourth Proportional to 13,785,801.71, 20,679,480.17 and 4,201,492.91

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Solution

The fourth proportional to 13,785,801.71, 20,679,480.17 and 4,201,492.91 is: 6,302,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,801.71 : 20,679,480.17 = 4,201,492.91 : x
  2. Step 2: Convert to fraction form
    13,785,801.71/20,679,480.17 = 4,201,492.91/x
  3. Step 3: Cross multiply
    13,785,801.71x = 20,679,480.17 × 4,201,492.91
  4. Step 4: Simplify right side
    13,785,801.71x = 86,884,689,378,943.02
  5. Step 5: Solve for x
    x = 86,884,689,378,943.02/13,785,801.71
  6. Step 6: Final answer
    x = 6,302,476.36

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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.