Home / 7,415,898.30-11,123,847.45-3,154,995.90

Finding the Fourth Proportional to 7,415,898.30, 11,123,847.45 and 3,154,995.90

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Solution

The fourth proportional to 7,415,898.30, 11,123,847.45 and 3,154,995.90 is: 4,732,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,898.30 : 11,123,847.45 = 3,154,995.90 : x
  2. Step 2: Convert to fraction form
    7,415,898.30/11,123,847.45 = 3,154,995.90/x
  3. Step 3: Cross multiply
    7,415,898.30x = 11,123,847.45 × 3,154,995.90
  4. Step 4: Simplify right side
    7,415,898.30x = 35,095,693,096,975.45
  5. Step 5: Solve for x
    x = 35,095,693,096,975.45/7,415,898.30
  6. Step 6: Final answer
    x = 4,732,493.85

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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.