Home / 12,563,989.60-18,845,984.40-4,486,086.40

Finding the Fourth Proportional to 12,563,989.60, 18,845,984.40 and 4,486,086.40

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Solution

The fourth proportional to 12,563,989.60, 18,845,984.40 and 4,486,086.40 is: 6,729,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,989.60 : 18,845,984.40 = 4,486,086.40 : x
  2. Step 2: Convert to fraction form
    12,563,989.60/18,845,984.40 = 4,486,086.40/x
  3. Step 3: Cross multiply
    12,563,989.60x = 18,845,984.40 × 4,486,086.40
  4. Step 4: Simplify right side
    12,563,989.60x = 84,544,714,311,452.16
  5. Step 5: Solve for x
    x = 84,544,714,311,452.16/12,563,989.60
  6. Step 6: Final answer
    x = 6,729,129.60

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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.