Home / 14,486,921.20-21,733,006.20-7,280,318.80

Finding the Fourth Proportional to 14,486,921.20, 21,733,006.20 and 7,280,318.80

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Solution

The fourth proportional to 14,486,921.20, 21,733,006.20 and 7,280,318.80 is: 10,921,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,921.20 : 21,733,006.20 = 7,280,318.80 : x
  2. Step 2: Convert to fraction form
    14,486,921.20/21,733,006.20 = 7,280,318.80/x
  3. Step 3: Cross multiply
    14,486,921.20x = 21,733,006.20 × 7,280,318.80
  4. Step 4: Simplify right side
    14,486,921.20x = 158,223,213,618,376.56
  5. Step 5: Solve for x
    x = 158,223,213,618,376.56/14,486,921.20
  6. Step 6: Final answer
    x = 10,921,797.08

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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.