Home / 15,681,227.04-21,640,348.08-8,712,354.24

Finding the Fourth Proportional to 15,681,227.04, 21,640,348.08 and 8,712,354.24

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Solution

The fourth proportional to 15,681,227.04, 21,640,348.08 and 8,712,354.24 is: 12,023,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681,227.04 : 21,640,348.08 = 8,712,354.24 : x
  2. Step 2: Convert to fraction form
    15,681,227.04/21,640,348.08 = 8,712,354.24/x
  3. Step 3: Cross multiply
    15,681,227.04x = 21,640,348.08 × 8,712,354.24
  4. Step 4: Simplify right side
    15,681,227.04x = 188,538,378,349,863.84
  5. Step 5: Solve for x
    x = 188,538,378,349,863.84/15,681,227.04
  6. Step 6: Final answer
    x = 12,023,190.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.