Home / 13,487,834.62-18,613,654.65-7,376,263.12

Finding the Fourth Proportional to 13,487,834.62, 18,613,654.65 and 7,376,263.12

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Solution

The fourth proportional to 13,487,834.62, 18,613,654.65 and 7,376,263.12 is: 10,179,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,834.62 : 18,613,654.65 = 7,376,263.12 : x
  2. Step 2: Convert to fraction form
    13,487,834.62/18,613,654.65 = 7,376,263.12/x
  3. Step 3: Cross multiply
    13,487,834.62x = 18,613,654.65 × 7,376,263.12
  4. Step 4: Simplify right side
    13,487,834.62x = 137,299,214,323,211.50
  5. Step 5: Solve for x
    x = 137,299,214,323,211.50/13,487,834.62
  6. Step 6: Final answer
    x = 10,179,485.31

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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.