Home / 15,049,584.32-20,764,868.55-8,854,901.42

Finding the Fourth Proportional to 15,049,584.32, 20,764,868.55 and 8,854,901.42

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Solution

The fourth proportional to 15,049,584.32, 20,764,868.55 and 8,854,901.42 is: 12,217,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,584.32 : 20,764,868.55 = 8,854,901.42 : x
  2. Step 2: Convert to fraction form
    15,049,584.32/20,764,868.55 = 8,854,901.42/x
  3. Step 3: Cross multiply
    15,049,584.32x = 20,764,868.55 × 8,854,901.42
  4. Step 4: Simplify right side
    15,049,584.32x = 183,870,864,009,508.34
  5. Step 5: Solve for x
    x = 183,870,864,009,508.34/15,049,584.32
  6. Step 6: Final answer
    x = 12,217,670.61

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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.