Home / 10,340,992.68-15,496,970.07-8,172,483.75

Finding the Fourth Proportional to 10,340,992.68, 15,496,970.07 and 8,172,483.75

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Solution

The fourth proportional to 10,340,992.68, 15,496,970.07 and 8,172,483.75 is: 12,247,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,992.68 : 15,496,970.07 = 8,172,483.75 : x
  2. Step 2: Convert to fraction form
    10,340,992.68/15,496,970.07 = 8,172,483.75/x
  3. Step 3: Cross multiply
    10,340,992.68x = 15,496,970.07 × 8,172,483.75
  4. Step 4: Simplify right side
    10,340,992.68x = 126,648,736,071,311.36
  5. Step 5: Solve for x
    x = 126,648,736,071,311.36/10,340,992.68
  6. Step 6: Final answer
    x = 12,247,251.30

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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.