Home / 10,118,919-15,154,057.50-5,787,838.92

Finding the Fourth Proportional to 10,118,919, 15,154,057.50 and 5,787,838.92

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Solution

The fourth proportional to 10,118,919, 15,154,057.50 and 5,787,838.92 is: 8,667,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118,919 : 15,154,057.50 = 5,787,838.92 : x
  2. Step 2: Convert to fraction form
    10,118,919/15,154,057.50 = 5,787,838.92/x
  3. Step 3: Cross multiply
    10,118,919x = 15,154,057.50 × 5,787,838.92
  4. Step 4: Simplify right side
    10,118,919x = 87,709,243,794,417.91
  5. Step 5: Solve for x
    x = 87,709,243,794,417.91/10,118,919
  6. Step 6: Final answer
    x = 8,667,847.21

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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.