Home / 12,230,077.60-18,345,116.40-8,198,999.20

Finding the Fourth Proportional to 12,230,077.60, 18,345,116.40 and 8,198,999.20

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Solution

The fourth proportional to 12,230,077.60, 18,345,116.40 and 8,198,999.20 is: 12,298,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,077.60 : 18,345,116.40 = 8,198,999.20 : x
  2. Step 2: Convert to fraction form
    12,230,077.60/18,345,116.40 = 8,198,999.20/x
  3. Step 3: Cross multiply
    12,230,077.60x = 18,345,116.40 × 8,198,999.20
  4. Step 4: Simplify right side
    12,230,077.60x = 150,411,594,687,506.88
  5. Step 5: Solve for x
    x = 150,411,594,687,506.88/12,230,077.60
  6. Step 6: Final answer
    x = 12,298,498.80

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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.