Home / 28,452,543.78-42,678,926.39-6,887,110.87

Finding the Fourth Proportional to 28,452,543.78, 42,678,926.39 and 6,887,110.87

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Solution

The fourth proportional to 28,452,543.78, 42,678,926.39 and 6,887,110.87 is: 10,330,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,543.78 : 42,678,926.39 = 6,887,110.87 : x
  2. Step 2: Convert to fraction form
    28,452,543.78/42,678,926.39 = 6,887,110.87/x
  3. Step 3: Cross multiply
    28,452,543.78x = 42,678,926.39 × 6,887,110.87
  4. Step 4: Simplify right side
    28,452,543.78x = 293,934,497,753,801.56
  5. Step 5: Solve for x
    x = 293,934,497,753,801.56/28,452,543.78
  6. Step 6: Final answer
    x = 10,330,693.10

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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.