Home / 15,382,272.20-23,073,408.30-6,405,657.80

Finding the Fourth Proportional to 15,382,272.20, 23,073,408.30 and 6,405,657.80

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Solution

The fourth proportional to 15,382,272.20, 23,073,408.30 and 6,405,657.80 is: 9,608,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382,272.20 : 23,073,408.30 = 6,405,657.80 : x
  2. Step 2: Convert to fraction form
    15,382,272.20/23,073,408.30 = 6,405,657.80/x
  3. Step 3: Cross multiply
    15,382,272.20x = 23,073,408.30 × 6,405,657.80
  4. Step 4: Simplify right side
    15,382,272.20x = 147,800,357,849,479.75
  5. Step 5: Solve for x
    x = 147,800,357,849,479.75/15,382,272.20
  6. Step 6: Final answer
    x = 9,608,486.70

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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.