Home / 12,443,337.20-18,665,005.80-3,926,284.40

Finding the Fourth Proportional to 12,443,337.20, 18,665,005.80 and 3,926,284.40

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Solution

The fourth proportional to 12,443,337.20, 18,665,005.80 and 3,926,284.40 is: 5,889,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443,337.20 : 18,665,005.80 = 3,926,284.40 : x
  2. Step 2: Convert to fraction form
    12,443,337.20/18,665,005.80 = 3,926,284.40/x
  3. Step 3: Cross multiply
    12,443,337.20x = 18,665,005.80 × 3,926,284.40
  4. Step 4: Simplify right side
    12,443,337.20x = 73,284,121,098,449.52
  5. Step 5: Solve for x
    x = 73,284,121,098,449.52/12,443,337.20
  6. Step 6: Final answer
    x = 5,889,426.60

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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.