Home / 10,687,562.20-16,041,365.70-5,642,493.40

Finding the Fourth Proportional to 10,687,562.20, 16,041,365.70 and 5,642,493.40

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Solution

The fourth proportional to 10,687,562.20, 16,041,365.70 and 5,642,493.40 is: 8,469,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687,562.20 : 16,041,365.70 = 5,642,493.40 : x
  2. Step 2: Convert to fraction form
    10,687,562.20/16,041,365.70 = 5,642,493.40/x
  3. Step 3: Cross multiply
    10,687,562.20x = 16,041,365.70 × 5,642,493.40
  4. Step 4: Simplify right side
    10,687,562.20x = 90,513,300,089,236.38
  5. Step 5: Solve for x
    x = 90,513,300,089,236.38/10,687,562.20
  6. Step 6: Final answer
    x = 8,469,031.42

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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.