Home / 43,704,715.20-65,557,072.80-13,408,641.60

Finding the Fourth Proportional to 43,704,715.20, 65,557,072.80 and 13,408,641.60

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Solution

The fourth proportional to 43,704,715.20, 65,557,072.80 and 13,408,641.60 is: 20,112,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704,715.20 : 65,557,072.80 = 13,408,641.60 : x
  2. Step 2: Convert to fraction form
    43,704,715.20/65,557,072.80 = 13,408,641.60/x
  3. Step 3: Cross multiply
    43,704,715.20x = 65,557,072.80 × 13,408,641.60
  4. Step 4: Simplify right side
    43,704,715.20x = 879,031,293,520,308.38
  5. Step 5: Solve for x
    x = 879,031,293,520,308.38/43,704,715.20
  6. Step 6: Final answer
    x = 20,112,962.40

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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.