Home / 31,369,052.70-47,070,297.45-12,200,435.10

Finding the Fourth Proportional to 31,369,052.70, 47,070,297.45 and 12,200,435.10

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Solution

The fourth proportional to 31,369,052.70, 47,070,297.45 and 12,200,435.10 is: 18,307,154.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369,052.70 : 47,070,297.45 = 12,200,435.10 : x
  2. Step 2: Convert to fraction form
    31,369,052.70/47,070,297.45 = 12,200,435.10/x
  3. Step 3: Cross multiply
    31,369,052.70x = 47,070,297.45 × 12,200,435.10
  4. Step 4: Simplify right side
    31,369,052.70x = 574,278,109,176,420.50
  5. Step 5: Solve for x
    x = 574,278,109,176,420.50/31,369,052.70
  6. Step 6: Final answer
    x = 18,307,154.97

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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.