Home / 22,728,108.76-31,357,010.20-12,936,103

Finding the Fourth Proportional to 22,728,108.76, 31,357,010.20 and 12,936,103

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Solution

The fourth proportional to 22,728,108.76, 31,357,010.20 and 12,936,103 is: 17,847,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728,108.76 : 31,357,010.20 = 12,936,103 : x
  2. Step 2: Convert to fraction form
    22,728,108.76/31,357,010.20 = 12,936,103/x
  3. Step 3: Cross multiply
    22,728,108.76x = 31,357,010.20 × 12,936,103
  4. Step 4: Simplify right side
    22,728,108.76x = 405,637,513,719,250.56
  5. Step 5: Solve for x
    x = 405,637,513,719,250.56/22,728,108.76
  6. Step 6: Final answer
    x = 17,847,394.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.