Home / 13,545,832.74-18,693,261.84-7,744,735.96

Finding the Fourth Proportional to 13,545,832.74, 18,693,261.84 and 7,744,735.96

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Solution

The fourth proportional to 13,545,832.74, 18,693,261.84 and 7,744,735.96 is: 10,687,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,832.74 : 18,693,261.84 = 7,744,735.96 : x
  2. Step 2: Convert to fraction form
    13,545,832.74/18,693,261.84 = 7,744,735.96/x
  3. Step 3: Cross multiply
    13,545,832.74x = 18,693,261.84 × 7,744,735.96
  4. Step 4: Simplify right side
    13,545,832.74x = 144,774,377,164,253.38
  5. Step 5: Solve for x
    x = 144,774,377,164,253.38/13,545,832.74
  6. Step 6: Final answer
    x = 10,687,742.86

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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.