Home / 18,728,613.59-28,092,956.50-7,219,500.63

Finding the Fourth Proportional to 18,728,613.59, 28,092,956.50 and 7,219,500.63

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Solution

The fourth proportional to 18,728,613.59, 28,092,956.50 and 7,219,500.63 is: 10,829,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,613.59 : 28,092,956.50 = 7,219,500.63 : x
  2. Step 2: Convert to fraction form
    18,728,613.59/28,092,956.50 = 7,219,500.63/x
  3. Step 3: Cross multiply
    18,728,613.59x = 28,092,956.50 × 7,219,500.63
  4. Step 4: Simplify right side
    18,728,613.59x = 202,817,117,053,988.38
  5. Step 5: Solve for x
    x = 202,817,117,053,988.38/18,728,613.59
  6. Step 6: Final answer
    x = 10,829,264.86

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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.