Home / 28,554,951.03-39,406,290.30-15,502,199.55

Finding the Fourth Proportional to 28,554,951.03, 39,406,290.30 and 15,502,199.55

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Solution

The fourth proportional to 28,554,951.03, 39,406,290.30 and 15,502,199.55 is: 21,393,283.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,951.03 : 39,406,290.30 = 15,502,199.55 : x
  2. Step 2: Convert to fraction form
    28,554,951.03/39,406,290.30 = 15,502,199.55/x
  3. Step 3: Cross multiply
    28,554,951.03x = 39,406,290.30 × 15,502,199.55
  4. Step 4: Simplify right side
    28,554,951.03x = 610,884,175,755,829.38
  5. Step 5: Solve for x
    x = 610,884,175,755,829.38/28,554,951.03
  6. Step 6: Final answer
    x = 21,393,283.96

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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.