Home / 43,406,909.60-65,120,732.40-13,115,069.60

Finding the Fourth Proportional to 43,406,909.60, 65,120,732.40 and 13,115,069.60

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Solution

The fourth proportional to 43,406,909.60, 65,120,732.40 and 13,115,069.60 is: 19,675,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406,909.60 : 65,120,732.40 = 13,115,069.60 : x
  2. Step 2: Convert to fraction form
    43,406,909.60/65,120,732.40 = 13,115,069.60/x
  3. Step 3: Cross multiply
    43,406,909.60x = 65,120,732.40 × 13,115,069.60
  4. Step 4: Simplify right side
    43,406,909.60x = 854,062,937,828,975
  5. Step 5: Solve for x
    x = 854,062,937,828,975/43,406,909.60
  6. Step 6: Final answer
    x = 19,675,737.01

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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.