Home / 12,592,993.20-18,889,489.80-7,554,145.20

Finding the Fourth Proportional to 12,592,993.20, 18,889,489.80 and 7,554,145.20

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Solution

The fourth proportional to 12,592,993.20, 18,889,489.80 and 7,554,145.20 is: 11,331,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,993.20 : 18,889,489.80 = 7,554,145.20 : x
  2. Step 2: Convert to fraction form
    12,592,993.20/18,889,489.80 = 7,554,145.20/x
  3. Step 3: Cross multiply
    12,592,993.20x = 18,889,489.80 × 7,554,145.20
  4. Step 4: Simplify right side
    12,592,993.20x = 142,693,948,703,118.97
  5. Step 5: Solve for x
    x = 142,693,948,703,118.97/12,592,993.20
  6. Step 6: Final answer
    x = 11,331,217.80

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1.5x scale

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.