Home / 12,640,655.59-17,443,980.53-6,839,310.04

Finding the Fourth Proportional to 12,640,655.59, 17,443,980.53 and 6,839,310.04

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Solution

The fourth proportional to 12,640,655.59, 17,443,980.53 and 6,839,310.04 is: 9,438,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,640,655.59 : 17,443,980.53 = 6,839,310.04 : x
  2. Step 2: Convert to fraction form
    12,640,655.59/17,443,980.53 = 6,839,310.04/x
  3. Step 3: Cross multiply
    12,640,655.59x = 17,443,980.53 × 6,839,310.04
  4. Step 4: Simplify right side
    12,640,655.59x = 119,304,791,142,196.97
  5. Step 5: Solve for x
    x = 119,304,791,142,196.97/12,640,655.59
  6. Step 6: Final answer
    x = 9,438,180.66

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1.5x scale

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.