Home / 9,120,869.70-13,672,280.55-4,320,120.90

Finding the Fourth Proportional to 9,120,869.70, 13,672,280.55 and 4,320,120.90

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Solution

The fourth proportional to 9,120,869.70, 13,672,280.55 and 4,320,120.90 is: 6,475,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,869.70 : 13,672,280.55 = 4,320,120.90 : x
  2. Step 2: Convert to fraction form
    9,120,869.70/13,672,280.55 = 4,320,120.90/x
  3. Step 3: Cross multiply
    9,120,869.70x = 13,672,280.55 × 4,320,120.90
  4. Step 4: Simplify right side
    9,120,869.70x = 59,065,904,954,718.50
  5. Step 5: Solve for x
    x = 59,065,904,954,718.50/9,120,869.70
  6. Step 6: Final answer
    x = 6,475,907.11

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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.