Home / 25,392,079.77-38,083,027.28-12,432,646.77

Finding the Fourth Proportional to 25,392,079.77, 38,083,027.28 and 12,432,646.77

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Solution

The fourth proportional to 25,392,079.77, 38,083,027.28 and 12,432,646.77 is: 18,646,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,392,079.77 : 38,083,027.28 = 12,432,646.77 : x
  2. Step 2: Convert to fraction form
    25,392,079.77/38,083,027.28 = 12,432,646.77/x
  3. Step 3: Cross multiply
    25,392,079.77x = 38,083,027.28 × 12,432,646.77
  4. Step 4: Simplify right side
    25,392,079.77x = 473,472,825,969,472.94
  5. Step 5: Solve for x
    x = 473,472,825,969,472.94/25,392,079.77
  6. Step 6: Final answer
    x = 18,646,476.79

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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.