Home / 12,451,390.80-18,677,086.20-3,475,928.40

Finding the Fourth Proportional to 12,451,390.80, 18,677,086.20 and 3,475,928.40

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Solution

The fourth proportional to 12,451,390.80, 18,677,086.20 and 3,475,928.40 is: 5,213,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451,390.80 : 18,677,086.20 = 3,475,928.40 : x
  2. Step 2: Convert to fraction form
    12,451,390.80/18,677,086.20 = 3,475,928.40/x
  3. Step 3: Cross multiply
    12,451,390.80x = 18,677,086.20 × 3,475,928.40
  4. Step 4: Simplify right side
    12,451,390.80x = 64,920,214,351,828.08
  5. Step 5: Solve for x
    x = 64,920,214,351,828.08/12,451,390.80
  6. Step 6: Final answer
    x = 5,213,892.60

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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.