Home / 13,309,526.20-18,367,996.98-7,506,190.60

Finding the Fourth Proportional to 13,309,526.20, 18,367,996.98 and 7,506,190.60

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Solution

The fourth proportional to 13,309,526.20, 18,367,996.98 and 7,506,190.60 is: 10,359,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,526.20 : 18,367,996.98 = 7,506,190.60 : x
  2. Step 2: Convert to fraction form
    13,309,526.20/18,367,996.98 = 7,506,190.60/x
  3. Step 3: Cross multiply
    13,309,526.20x = 18,367,996.98 × 7,506,190.60
  4. Step 4: Simplify right side
    13,309,526.20x = 137,873,686,272,104.39
  5. Step 5: Solve for x
    x = 137,873,686,272,104.39/13,309,526.20
  6. Step 6: Final answer
    x = 10,359,022.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.