Home / 8,404,288.70-12,578,439.45-7,396,519.10

Finding the Fourth Proportional to 8,404,288.70, 12,578,439.45 and 7,396,519.10

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Solution

The fourth proportional to 8,404,288.70, 12,578,439.45 and 7,396,519.10 is: 11,070,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,288.70 : 12,578,439.45 = 7,396,519.10 : x
  2. Step 2: Convert to fraction form
    8,404,288.70/12,578,439.45 = 7,396,519.10/x
  3. Step 3: Cross multiply
    8,404,288.70x = 12,578,439.45 × 7,396,519.10
  4. Step 4: Simplify right side
    8,404,288.70x = 93,036,667,640,118.48
  5. Step 5: Solve for x
    x = 93,036,667,640,118.48/8,404,288.70
  6. Step 6: Final answer
    x = 11,070,141.80

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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.