Home / 12,482,915.70-18,714,005.55-5,299,965.30

Finding the Fourth Proportional to 12,482,915.70, 18,714,005.55 and 5,299,965.30

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Solution

The fourth proportional to 12,482,915.70, 18,714,005.55 and 5,299,965.30 is: 7,945,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,915.70 : 18,714,005.55 = 5,299,965.30 : x
  2. Step 2: Convert to fraction form
    12,482,915.70/18,714,005.55 = 5,299,965.30/x
  3. Step 3: Cross multiply
    12,482,915.70x = 18,714,005.55 × 5,299,965.30
  4. Step 4: Simplify right side
    12,482,915.70x = 99,183,580,039,007.42
  5. Step 5: Solve for x
    x = 99,183,580,039,007.42/12,482,915.70
  6. Step 6: Final answer
    x = 7,945,545.93

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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.