Home / 7,680,211.60-11,520,317.40-7,352,582.80

Finding the Fourth Proportional to 7,680,211.60, 11,520,317.40 and 7,352,582.80

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Solution

The fourth proportional to 7,680,211.60, 11,520,317.40 and 7,352,582.80 is: 11,028,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,211.60 : 11,520,317.40 = 7,352,582.80 : x
  2. Step 2: Convert to fraction form
    7,680,211.60/11,520,317.40 = 7,352,582.80/x
  3. Step 3: Cross multiply
    7,680,211.60x = 11,520,317.40 × 7,352,582.80
  4. Step 4: Simplify right side
    7,680,211.60x = 84,704,087,565,780.72
  5. Step 5: Solve for x
    x = 84,704,087,565,780.72/7,680,211.60
  6. Step 6: Final answer
    x = 11,028,874.20

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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.