Home / 8,276,212.32-12,406,267.20-3,957,140.16

Finding the Fourth Proportional to 8,276,212.32, 12,406,267.20 and 3,957,140.16

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Solution

The fourth proportional to 8,276,212.32, 12,406,267.20 and 3,957,140.16 is: 5,931,860.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276,212.32 : 12,406,267.20 = 3,957,140.16 : x
  2. Step 2: Convert to fraction form
    8,276,212.32/12,406,267.20 = 3,957,140.16/x
  3. Step 3: Cross multiply
    8,276,212.32x = 12,406,267.20 × 3,957,140.16
  4. Step 4: Simplify right side
    8,276,212.32x = 49,093,338,172,810.75
  5. Step 5: Solve for x
    x = 49,093,338,172,810.75/8,276,212.32
  6. Step 6: Final answer
    x = 5,931,860.65

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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.