Home / 20,717,612.40-28,581,235.18-19,757,082

Finding the Fourth Proportional to 20,717,612.40, 28,581,235.18 and 19,757,082

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Solution

The fourth proportional to 20,717,612.40, 28,581,235.18 and 19,757,082 is: 27,256,123.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,612.40 : 28,581,235.18 = 19,757,082 : x
  2. Step 2: Convert to fraction form
    20,717,612.40/28,581,235.18 = 19,757,082/x
  3. Step 3: Cross multiply
    20,717,612.40x = 28,581,235.18 × 19,757,082
  4. Step 4: Simplify right side
    20,717,612.40x = 564,681,807,112,544.75
  5. Step 5: Solve for x
    x = 564,681,807,112,544.75/20,717,612.40
  6. Step 6: Final answer
    x = 27,256,123.74

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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.