Home / 12,361,146.60-18,549,593.10-7,243,566.60

Finding the Fourth Proportional to 12,361,146.60, 18,549,593.10 and 7,243,566.60

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Solution

The fourth proportional to 12,361,146.60, 18,549,593.10 and 7,243,566.60 is: 10,869,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,146.60 : 18,549,593.10 = 7,243,566.60 : x
  2. Step 2: Convert to fraction form
    12,361,146.60/18,549,593.10 = 7,243,566.60/x
  3. Step 3: Cross multiply
    12,361,146.60x = 18,549,593.10 × 7,243,566.60
  4. Step 4: Simplify right side
    12,361,146.60x = 134,365,213,022,750.47
  5. Step 5: Solve for x
    x = 134,365,213,022,750.47/12,361,146.60
  6. Step 6: Final answer
    x = 10,869,963.55

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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.