Home / 30,053,678.27-45,102,041.33-12,793,979.97

Finding the Fourth Proportional to 30,053,678.27, 45,102,041.33 and 12,793,979.97

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Solution

The fourth proportional to 30,053,678.27, 45,102,041.33 and 12,793,979.97 is: 19,200,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053,678.27 : 45,102,041.33 = 12,793,979.97 : x
  2. Step 2: Convert to fraction form
    30,053,678.27/45,102,041.33 = 12,793,979.97/x
  3. Step 3: Cross multiply
    30,053,678.27x = 45,102,041.33 × 12,793,979.97
  4. Step 4: Simplify right side
    30,053,678.27x = 577,034,613,318,162.38
  5. Step 5: Solve for x
    x = 577,034,613,318,162.38/30,053,678.27
  6. Step 6: Final answer
    x = 19,200,132.78

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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.