Home / 8,876,742.40-13,315,113.60-5,087,108.80

Finding the Fourth Proportional to 8,876,742.40, 13,315,113.60 and 5,087,108.80

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Solution

The fourth proportional to 8,876,742.40, 13,315,113.60 and 5,087,108.80 is: 7,630,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,742.40 : 13,315,113.60 = 5,087,108.80 : x
  2. Step 2: Convert to fraction form
    8,876,742.40/13,315,113.60 = 5,087,108.80/x
  3. Step 3: Cross multiply
    8,876,742.40x = 13,315,113.60 × 5,087,108.80
  4. Step 4: Simplify right side
    8,876,742.40x = 67,735,431,567,559.67
  5. Step 5: Solve for x
    x = 67,735,431,567,559.67/8,876,742.40
  6. Step 6: Final answer
    x = 7,630,663.20

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Similar ratio
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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.