Home / 31,703,130.30-47,539,706.49-12,281,452.74

Finding the Fourth Proportional to 31,703,130.30, 47,539,706.49 and 12,281,452.74

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Solution

The fourth proportional to 31,703,130.30, 47,539,706.49 and 12,281,452.74 is: 18,416,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703,130.30 : 47,539,706.49 = 12,281,452.74 : x
  2. Step 2: Convert to fraction form
    31,703,130.30/47,539,706.49 = 12,281,452.74/x
  3. Step 3: Cross multiply
    31,703,130.30x = 47,539,706.49 × 12,281,452.74
  4. Step 4: Simplify right side
    31,703,130.30x = 583,856,658,530,406.38
  5. Step 5: Solve for x
    x = 583,856,658,530,406.38/31,703,130.30
  6. Step 6: Final answer
    x = 18,416,372.55

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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.