Home / 8,656,809.60-12,985,214.40-8,326,135.20

Finding the Fourth Proportional to 8,656,809.60, 12,985,214.40 and 8,326,135.20

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Solution

The fourth proportional to 8,656,809.60, 12,985,214.40 and 8,326,135.20 is: 12,489,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,809.60 : 12,985,214.40 = 8,326,135.20 : x
  2. Step 2: Convert to fraction form
    8,656,809.60/12,985,214.40 = 8,326,135.20/x
  3. Step 3: Cross multiply
    8,656,809.60x = 12,985,214.40 × 8,326,135.20
  4. Step 4: Simplify right side
    8,656,809.60x = 108,116,650,695,386.89
  5. Step 5: Solve for x
    x = 108,116,650,695,386.89/8,656,809.60
  6. Step 6: Final answer
    x = 12,489,202.80

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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.