Home / 12,866,070.68-17,755,487.66-6,985,954.88

Finding the Fourth Proportional to 12,866,070.68, 17,755,487.66 and 6,985,954.88

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Solution

The fourth proportional to 12,866,070.68, 17,755,487.66 and 6,985,954.88 is: 9,640,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866,070.68 : 17,755,487.66 = 6,985,954.88 : x
  2. Step 2: Convert to fraction form
    12,866,070.68/17,755,487.66 = 6,985,954.88/x
  3. Step 3: Cross multiply
    12,866,070.68x = 17,755,487.66 × 6,985,954.88
  4. Step 4: Simplify right side
    12,866,070.68x = 124,039,035,665,156.78
  5. Step 5: Solve for x
    x = 124,039,035,665,156.78/12,866,070.68
  6. Step 6: Final answer
    x = 9,640,786.12

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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.