Home / 12,522,890.40-18,807,145.20-10,955,248.80

Finding the Fourth Proportional to 12,522,890.40, 18,807,145.20 and 10,955,248.80

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Solution

The fourth proportional to 12,522,890.40, 18,807,145.20 and 10,955,248.80 is: 16,452,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522,890.40 : 18,807,145.20 = 10,955,248.80 : x
  2. Step 2: Convert to fraction form
    12,522,890.40/18,807,145.20 = 10,955,248.80/x
  3. Step 3: Cross multiply
    12,522,890.40x = 18,807,145.20 × 10,955,248.80
  4. Step 4: Simplify right side
    12,522,890.40x = 206,036,954,883,725.78
  5. Step 5: Solve for x
    x = 206,036,954,883,725.78/12,522,890.40
  6. Step 6: Final answer
    x = 16,452,827.45

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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.