Home / 13,925,299.20-20,887,948.80-12,728,572.80

Finding the Fourth Proportional to 13,925,299.20, 20,887,948.80 and 12,728,572.80

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Solution

The fourth proportional to 13,925,299.20, 20,887,948.80 and 12,728,572.80 is: 19,092,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925,299.20 : 20,887,948.80 = 12,728,572.80 : x
  2. Step 2: Convert to fraction form
    13,925,299.20/20,887,948.80 = 12,728,572.80/x
  3. Step 3: Cross multiply
    13,925,299.20x = 20,887,948.80 × 12,728,572.80
  4. Step 4: Simplify right side
    13,925,299.20x = 265,873,776,943,472.66
  5. Step 5: Solve for x
    x = 265,873,776,943,472.66/13,925,299.20
  6. Step 6: Final answer
    x = 19,092,859.20

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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.