Home / 15,900,464.11-21,956,278.89-15,386,295.01

Finding the Fourth Proportional to 15,900,464.11, 21,956,278.89 and 15,386,295.01

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Solution

The fourth proportional to 15,900,464.11, 21,956,278.89 and 15,386,295.01 is: 21,246,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900,464.11 : 21,956,278.89 = 15,386,295.01 : x
  2. Step 2: Convert to fraction form
    15,900,464.11/21,956,278.89 = 15,386,295.01/x
  3. Step 3: Cross multiply
    15,900,464.11x = 21,956,278.89 × 15,386,295.01
  4. Step 4: Simplify right side
    15,900,464.11x = 337,825,784,323,375.31
  5. Step 5: Solve for x
    x = 337,825,784,323,375.31/15,900,464.11
  6. Step 6: Final answer
    x = 21,246,284.51

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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.