Home / 12,520,624.08-18,782,718.84-3,885,470.74

Finding the Fourth Proportional to 12,520,624.08, 18,782,718.84 and 3,885,470.74

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Solution

The fourth proportional to 12,520,624.08, 18,782,718.84 and 3,885,470.74 is: 5,828,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520,624.08 : 18,782,718.84 = 3,885,470.74 : x
  2. Step 2: Convert to fraction form
    12,520,624.08/18,782,718.84 = 3,885,470.74/x
  3. Step 3: Cross multiply
    12,520,624.08x = 18,782,718.84 × 3,885,470.74
  4. Step 4: Simplify right side
    12,520,624.08x = 72,979,704,470,466.75
  5. Step 5: Solve for x
    x = 72,979,704,470,466.75/12,520,624.08
  6. Step 6: Final answer
    x = 5,828,759.33

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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.