Home / 10,643,231.60-15,964,847.40-6,388,204.40

Finding the Fourth Proportional to 10,643,231.60, 15,964,847.40 and 6,388,204.40

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Solution

The fourth proportional to 10,643,231.60, 15,964,847.40 and 6,388,204.40 is: 9,582,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643,231.60 : 15,964,847.40 = 6,388,204.40 : x
  2. Step 2: Convert to fraction form
    10,643,231.60/15,964,847.40 = 6,388,204.40/x
  3. Step 3: Cross multiply
    10,643,231.60x = 15,964,847.40 × 6,388,204.40
  4. Step 4: Simplify right side
    10,643,231.60x = 101,986,708,406,008.56
  5. Step 5: Solve for x
    x = 101,986,708,406,008.56/10,643,231.60
  6. Step 6: Final answer
    x = 9,582,306.60

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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.