Home / 12,074,723.30-18,133,080.15-6,406,019.30

Finding the Fourth Proportional to 12,074,723.30, 18,133,080.15 and 6,406,019.30

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Solution

The fourth proportional to 12,074,723.30, 18,133,080.15 and 6,406,019.30 is: 9,620,167.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,723.30 : 18,133,080.15 = 6,406,019.30 : x
  2. Step 2: Convert to fraction form
    12,074,723.30/18,133,080.15 = 6,406,019.30/x
  3. Step 3: Cross multiply
    12,074,723.30x = 18,133,080.15 × 6,406,019.30
  4. Step 4: Simplify right side
    12,074,723.30x = 116,160,861,409,346.88
  5. Step 5: Solve for x
    x = 116,160,861,409,346.88/12,074,723.30
  6. Step 6: Final answer
    x = 9,620,167.56

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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.