Home / 21,613,677.60-32,368,567.08-12,363,605.70

Finding the Fourth Proportional to 21,613,677.60, 32,368,567.08 and 12,363,605.70

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Solution

The fourth proportional to 21,613,677.60, 32,368,567.08 and 12,363,605.70 is: 18,515,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,677.60 : 32,368,567.08 = 12,363,605.70 : x
  2. Step 2: Convert to fraction form
    21,613,677.60/32,368,567.08 = 12,363,605.70/x
  3. Step 3: Cross multiply
    21,613,677.60x = 32,368,567.08 × 12,363,605.70
  4. Step 4: Simplify right side
    21,613,677.60x = 400,192,200,451,120.31
  5. Step 5: Solve for x
    x = 400,192,200,451,120.31/21,613,677.60
  6. Step 6: Final answer
    x = 18,515,692.14

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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.