Home / 48,440,511.90-72,660,767.81-12,538,719.90

Finding the Fourth Proportional to 48,440,511.90, 72,660,767.81 and 12,538,719.90

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Solution

The fourth proportional to 48,440,511.90, 72,660,767.81 and 12,538,719.90 is: 18,808,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,440,511.90 : 72,660,767.81 = 12,538,719.90 : x
  2. Step 2: Convert to fraction form
    48,440,511.90/72,660,767.81 = 12,538,719.90/x
  3. Step 3: Cross multiply
    48,440,511.90x = 72,660,767.81 × 12,538,719.90
  4. Step 4: Simplify right side
    48,440,511.90x = 911,073,015,225,832.88
  5. Step 5: Solve for x
    x = 911,073,015,225,832.88/48,440,511.90
  6. Step 6: Final answer
    x = 18,808,079.84

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Similar ratio
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1.5x scale

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.