Home / 17,731,590.20-26,609,195.10-8,142,032.60

Finding the Fourth Proportional to 17,731,590.20, 26,609,195.10 and 8,142,032.60

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Solution

The fourth proportional to 17,731,590.20, 26,609,195.10 and 8,142,032.60 is: 12,218,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731,590.20 : 26,609,195.10 = 8,142,032.60 : x
  2. Step 2: Convert to fraction form
    17,731,590.20/26,609,195.10 = 8,142,032.60/x
  3. Step 3: Cross multiply
    17,731,590.20x = 26,609,195.10 × 8,142,032.60
  4. Step 4: Simplify right side
    17,731,590.20x = 216,652,933,963,960.25
  5. Step 5: Solve for x
    x = 216,652,933,963,960.25/17,731,590.20
  6. Step 6: Final answer
    x = 12,218,471.75

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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.