Home / 31,369,008.20-47,070,230.70-12,200,390.60

Finding the Fourth Proportional to 31,369,008.20, 47,070,230.70 and 12,200,390.60

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Solution

The fourth proportional to 31,369,008.20, 47,070,230.70 and 12,200,390.60 is: 18,307,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369,008.20 : 47,070,230.70 = 12,200,390.60 : x
  2. Step 2: Convert to fraction form
    31,369,008.20/47,070,230.70 = 12,200,390.60/x
  3. Step 3: Cross multiply
    31,369,008.20x = 47,070,230.70 × 12,200,390.60
  4. Step 4: Simplify right side
    31,369,008.20x = 574,275,200,172,111.50
  5. Step 5: Solve for x
    x = 574,275,200,172,111.50/31,369,008.20
  6. Step 6: Final answer
    x = 18,307,088.21

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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.