Home / 15,441,856.20-23,171,078.70-6,467,315.40

Finding the Fourth Proportional to 15,441,856.20, 23,171,078.70 and 6,467,315.40

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Solution

The fourth proportional to 15,441,856.20, 23,171,078.70 and 6,467,315.40 is: 9,704,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441,856.20 : 23,171,078.70 = 6,467,315.40 : x
  2. Step 2: Convert to fraction form
    15,441,856.20/23,171,078.70 = 6,467,315.40/x
  3. Step 3: Cross multiply
    15,441,856.20x = 23,171,078.70 × 6,467,315.40
  4. Step 4: Simplify right side
    15,441,856.20x = 149,854,674,111,121.97
  5. Step 5: Solve for x
    x = 149,854,674,111,121.97/15,441,856.20
  6. Step 6: Final answer
    x = 9,704,446.94

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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.