Home / 13,524,713.60-18,666,018.72-8,369,735.84

Finding the Fourth Proportional to 13,524,713.60, 18,666,018.72 and 8,369,735.84

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Solution

The fourth proportional to 13,524,713.60, 18,666,018.72 and 8,369,735.84 is: 11,551,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,713.60 : 18,666,018.72 = 8,369,735.84 : x
  2. Step 2: Convert to fraction form
    13,524,713.60/18,666,018.72 = 8,369,735.84/x
  3. Step 3: Cross multiply
    13,524,713.60x = 18,666,018.72 × 8,369,735.84
  4. Step 4: Simplify right side
    13,524,713.60x = 156,229,645,870,894.91
  5. Step 5: Solve for x
    x = 156,229,645,870,894.91/13,524,713.60
  6. Step 6: Final answer
    x = 11,551,419.90

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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.