Home / 19,465,789.76-26,853,861.12-12,592,488.32

Finding the Fourth Proportional to 19,465,789.76, 26,853,861.12 and 12,592,488.32

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Solution

The fourth proportional to 19,465,789.76, 26,853,861.12 and 12,592,488.32 is: 17,371,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465,789.76 : 26,853,861.12 = 12,592,488.32 : x
  2. Step 2: Convert to fraction form
    19,465,789.76/26,853,861.12 = 12,592,488.32/x
  3. Step 3: Cross multiply
    19,465,789.76x = 26,853,861.12 × 12,592,488.32
  4. Step 4: Simplify right side
    19,465,789.76x = 338,156,932,500,502.12
  5. Step 5: Solve for x
    x = 338,156,932,500,502.12/19,465,789.76
  6. Step 6: Final answer
    x = 17,371,857.84

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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.