Home / 12,310,683.60-18,468,047.16-3,791,021.52

Finding the Fourth Proportional to 12,310,683.60, 18,468,047.16 and 3,791,021.52

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Solution

The fourth proportional to 12,310,683.60, 18,468,047.16 and 3,791,021.52 is: 5,687,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,683.60 : 18,468,047.16 = 3,791,021.52 : x
  2. Step 2: Convert to fraction form
    12,310,683.60/18,468,047.16 = 3,791,021.52/x
  3. Step 3: Cross multiply
    12,310,683.60x = 18,468,047.16 × 3,791,021.52
  4. Step 4: Simplify right side
    12,310,683.60x = 70,012,764,215,934.88
  5. Step 5: Solve for x
    x = 70,012,764,215,934.88/12,310,683.60
  6. Step 6: Final answer
    x = 5,687,154.87

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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.