Home / 43,942,485.60-65,913,728.40-13,659,631.20

Finding the Fourth Proportional to 43,942,485.60, 65,913,728.40 and 13,659,631.20

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Solution

The fourth proportional to 43,942,485.60, 65,913,728.40 and 13,659,631.20 is: 20,489,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942,485.60 : 65,913,728.40 = 13,659,631.20 : x
  2. Step 2: Convert to fraction form
    43,942,485.60/65,913,728.40 = 13,659,631.20/x
  3. Step 3: Cross multiply
    43,942,485.60x = 65,913,728.40 × 13,659,631.20
  4. Step 4: Simplify right side
    43,942,485.60x = 900,357,220,960,966
  5. Step 5: Solve for x
    x = 900,357,220,960,966/43,942,485.60
  6. Step 6: Final answer
    x = 20,489,446.80

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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.