Home / 8,129,339.28-11,218,504.14-4,458,281.76

Finding the Fourth Proportional to 8,129,339.28, 11,218,504.14 and 4,458,281.76

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Solution

The fourth proportional to 8,129,339.28, 11,218,504.14 and 4,458,281.76 is: 6,152,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,339.28 : 11,218,504.14 = 4,458,281.76 : x
  2. Step 2: Convert to fraction form
    8,129,339.28/11,218,504.14 = 4,458,281.76/x
  3. Step 3: Cross multiply
    8,129,339.28x = 11,218,504.14 × 4,458,281.76
  4. Step 4: Simplify right side
    8,129,339.28x = 50,015,252,381,846.48
  5. Step 5: Solve for x
    x = 50,015,252,381,846.48/8,129,339.28
  6. Step 6: Final answer
    x = 6,152,437.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.