Home / 7,711,407.60-11,567,111.40-4,520,137.20

Finding the Fourth Proportional to 7,711,407.60, 11,567,111.40 and 4,520,137.20

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Solution

The fourth proportional to 7,711,407.60, 11,567,111.40 and 4,520,137.20 is: 6,780,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,407.60 : 11,567,111.40 = 4,520,137.20 : x
  2. Step 2: Convert to fraction form
    7,711,407.60/11,567,111.40 = 4,520,137.20/x
  3. Step 3: Cross multiply
    7,711,407.60x = 11,567,111.40 × 4,520,137.20
  4. Step 4: Simplify right side
    7,711,407.60x = 52,284,930,535,684.09
  5. Step 5: Solve for x
    x = 52,284,930,535,684.09/7,711,407.60
  6. Step 6: Final answer
    x = 6,780,205.80

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1.5x scale

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.