Home / 8,403,187.80-12,604,781.70-2,420,160.60

Finding the Fourth Proportional to 8,403,187.80, 12,604,781.70 and 2,420,160.60

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Solution

The fourth proportional to 8,403,187.80, 12,604,781.70 and 2,420,160.60 is: 3,630,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,187.80 : 12,604,781.70 = 2,420,160.60 : x
  2. Step 2: Convert to fraction form
    8,403,187.80/12,604,781.70 = 2,420,160.60/x
  3. Step 3: Cross multiply
    8,403,187.80x = 12,604,781.70 × 2,420,160.60
  4. Step 4: Simplify right side
    8,403,187.80x = 30,505,596,041,941.02
  5. Step 5: Solve for x
    x = 30,505,596,041,941.02/8,403,187.80
  6. Step 6: Final answer
    x = 3,630,240.90

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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.