Home / 31,712,013.72-47,575,106.46-10,147,909.41

Finding the Fourth Proportional to 31,712,013.72, 47,575,106.46 and 10,147,909.41

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Solution

The fourth proportional to 31,712,013.72, 47,575,106.46 and 10,147,909.41 is: 15,224,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712,013.72 : 47,575,106.46 = 10,147,909.41 : x
  2. Step 2: Convert to fraction form
    31,712,013.72/47,575,106.46 = 10,147,909.41/x
  3. Step 3: Cross multiply
    31,712,013.72x = 47,575,106.46 × 10,147,909.41
  4. Step 4: Simplify right side
    31,712,013.72x = 482,787,870,527,185.81
  5. Step 5: Solve for x
    x = 482,787,870,527,185.81/31,712,013.72
  6. Step 6: Final answer
    x = 15,224,131.61

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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.