Home / 10,178,565.91-15,267,839.14-2,605,519.51

Finding the Fourth Proportional to 10,178,565.91, 15,267,839.14 and 2,605,519.51

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Solution

The fourth proportional to 10,178,565.91, 15,267,839.14 and 2,605,519.51 is: 3,908,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,565.91 : 15,267,839.14 = 2,605,519.51 : x
  2. Step 2: Convert to fraction form
    10,178,565.91/15,267,839.14 = 2,605,519.51/x
  3. Step 3: Cross multiply
    10,178,565.91x = 15,267,839.14 × 2,605,519.51
  4. Step 4: Simplify right side
    10,178,565.91x = 39,780,652,719,898.92
  5. Step 5: Solve for x
    x = 39,780,652,719,898.92/10,178,565.91
  6. Step 6: Final answer
    x = 3,908,276.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.