Home / 31,575,780.32-47,382,565.55-13,624,884.32

Finding the Fourth Proportional to 31,575,780.32, 47,382,565.55 and 13,624,884.32

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Solution

The fourth proportional to 31,575,780.32, 47,382,565.55 and 13,624,884.32 is: 20,445,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575,780.32 : 47,382,565.55 = 13,624,884.32 : x
  2. Step 2: Convert to fraction form
    31,575,780.32/47,382,565.55 = 13,624,884.32/x
  3. Step 3: Cross multiply
    31,575,780.32x = 47,382,565.55 × 13,624,884.32
  4. Step 4: Simplify right side
    31,575,780.32x = 645,581,974,098,529.88
  5. Step 5: Solve for x
    x = 645,581,974,098,529.88/31,575,780.32
  6. Step 6: Final answer
    x = 20,445,479.66

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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.