Home / 12,460,092.60-18,690,138.90-7,652,191.80

Finding the Fourth Proportional to 12,460,092.60, 18,690,138.90 and 7,652,191.80

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Solution

The fourth proportional to 12,460,092.60, 18,690,138.90 and 7,652,191.80 is: 11,478,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,092.60 : 18,690,138.90 = 7,652,191.80 : x
  2. Step 2: Convert to fraction form
    12,460,092.60/18,690,138.90 = 7,652,191.80/x
  3. Step 3: Cross multiply
    12,460,092.60x = 18,690,138.90 × 7,652,191.80
  4. Step 4: Simplify right side
    12,460,092.60x = 143,020,527,631,441
  5. Step 5: Solve for x
    x = 143,020,527,631,441/12,460,092.60
  6. Step 6: Final answer
    x = 11,478,287.70

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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.