Home / 18,696,681.96-28,042,211.16-5,915,523.48

Finding the Fourth Proportional to 18,696,681.96, 28,042,211.16 and 5,915,523.48

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Solution

The fourth proportional to 18,696,681.96, 28,042,211.16 and 5,915,523.48 is: 8,872,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,681.96 : 28,042,211.16 = 5,915,523.48 : x
  2. Step 2: Convert to fraction form
    18,696,681.96/28,042,211.16 = 5,915,523.48/x
  3. Step 3: Cross multiply
    18,696,681.96x = 28,042,211.16 × 5,915,523.48
  4. Step 4: Simplify right side
    18,696,681.96x = 165,884,358,548,098.06
  5. Step 5: Solve for x
    x = 165,884,358,548,098.06/18,696,681.96
  6. Step 6: Final answer
    x = 8,872,395.59

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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.