Home / 21,418,332.15-32,056,453.50-19,503,668.31

Finding the Fourth Proportional to 21,418,332.15, 32,056,453.50 and 19,503,668.31

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Solution

The fourth proportional to 21,418,332.15, 32,056,453.50 and 19,503,668.31 is: 29,190,808.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,418,332.15 : 32,056,453.50 = 19,503,668.31 : x
  2. Step 2: Convert to fraction form
    21,418,332.15/32,056,453.50 = 19,503,668.31/x
  3. Step 3: Cross multiply
    21,418,332.15x = 32,056,453.50 × 19,503,668.31
  4. Step 4: Simplify right side
    21,418,332.15x = 625,218,436,258,938.50
  5. Step 5: Solve for x
    x = 625,218,436,258,938.50/21,418,332.15
  6. Step 6: Final answer
    x = 29,190,808.69

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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.