Home / 12,402,693.20-18,606,523.16-6,945,548.60

Finding the Fourth Proportional to 12,402,693.20, 18,606,523.16 and 6,945,548.60

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Solution

The fourth proportional to 12,402,693.20, 18,606,523.16 and 6,945,548.60 is: 10,419,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402,693.20 : 18,606,523.16 = 6,945,548.60 : x
  2. Step 2: Convert to fraction form
    12,402,693.20/18,606,523.16 = 6,945,548.60/x
  3. Step 3: Cross multiply
    12,402,693.20x = 18,606,523.16 × 6,945,548.60
  4. Step 4: Simplify right side
    12,402,693.20x = 129,232,510,896,594.16
  5. Step 5: Solve for x
    x = 129,232,510,896,594.16/12,402,693.20
  6. Step 6: Final answer
    x = 10,419,713.59

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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.