Home / 43,942,486.60-65,913,729.90-13,659,632.20

Finding the Fourth Proportional to 43,942,486.60, 65,913,729.90 and 13,659,632.20

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Solution

The fourth proportional to 43,942,486.60, 65,913,729.90 and 13,659,632.20 is: 20,489,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,942,486.60 : 65,913,729.90 = 13,659,632.20 : x
  2. Step 2: Convert to fraction form
    43,942,486.60/65,913,729.90 = 13,659,632.20/x
  3. Step 3: Cross multiply
    43,942,486.60x = 65,913,729.90 × 13,659,632.20
  4. Step 4: Simplify right side
    43,942,486.60x = 900,357,307,364,142.75
  5. Step 5: Solve for x
    x = 900,357,307,364,142.75/43,942,486.60
  6. Step 6: Final answer
    x = 20,489,448.30

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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.