Home / 20,717,598.78-28,581,216.39-19,757,068.38

Finding the Fourth Proportional to 20,717,598.78, 28,581,216.39 and 19,757,068.38

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Solution

The fourth proportional to 20,717,598.78, 28,581,216.39 and 19,757,068.38 is: 27,256,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,598.78 : 28,581,216.39 = 19,757,068.38 : x
  2. Step 2: Convert to fraction form
    20,717,598.78/28,581,216.39 = 19,757,068.38/x
  3. Step 3: Cross multiply
    20,717,598.78x = 28,581,216.39 × 19,757,068.38
  4. Step 4: Simplify right side
    20,717,598.78x = 564,681,046,600,806.75
  5. Step 5: Solve for x
    x = 564,681,046,600,806.75/20,717,598.78
  6. Step 6: Final answer
    x = 27,256,104.95

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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.