Home / 15,527,067.50-21,427,438.11-9,004,564.14

Finding the Fourth Proportional to 15,527,067.50, 21,427,438.11 and 9,004,564.14

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Solution

The fourth proportional to 15,527,067.50, 21,427,438.11 and 9,004,564.14 is: 12,426,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,067.50 : 21,427,438.11 = 9,004,564.14 : x
  2. Step 2: Convert to fraction form
    15,527,067.50/21,427,438.11 = 9,004,564.14/x
  3. Step 3: Cross multiply
    15,527,067.50x = 21,427,438.11 × 9,004,564.14
  4. Step 4: Simplify right side
    15,527,067.50x = 192,944,740,817,375.38
  5. Step 5: Solve for x
    x = 192,944,740,817,375.38/15,527,067.50
  6. Step 6: Final answer
    x = 12,426,347.78

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1.5x scale

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.