Home / 9,288,860.87-12,817,877.96-5,368,870.92

Finding the Fourth Proportional to 9,288,860.87, 12,817,877.96 and 5,368,870.92

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Solution

The fourth proportional to 9,288,860.87, 12,817,877.96 and 5,368,870.92 is: 7,408,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,860.87 : 12,817,877.96 = 5,368,870.92 : x
  2. Step 2: Convert to fraction form
    9,288,860.87/12,817,877.96 = 5,368,870.92/x
  3. Step 3: Cross multiply
    9,288,860.87x = 12,817,877.96 × 5,368,870.92
  4. Step 4: Simplify right side
    9,288,860.87x = 68,817,532,208,708.57
  5. Step 5: Solve for x
    x = 68,817,532,208,708.57/9,288,860.87
  6. Step 6: Final answer
    x = 7,408,608.35

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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.