Home / 36,216,643.40-54,324,965.10-11,959,314.20

Finding the Fourth Proportional to 36,216,643.40, 54,324,965.10 and 11,959,314.20

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Solution

The fourth proportional to 36,216,643.40, 54,324,965.10 and 11,959,314.20 is: 17,938,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216,643.40 : 54,324,965.10 = 11,959,314.20 : x
  2. Step 2: Convert to fraction form
    36,216,643.40/54,324,965.10 = 11,959,314.20/x
  3. Step 3: Cross multiply
    36,216,643.40x = 54,324,965.10 × 11,959,314.20
  4. Step 4: Simplify right side
    36,216,643.40x = 649,689,326,534,934.38
  5. Step 5: Solve for x
    x = 649,689,326,534,934.38/36,216,643.40
  6. Step 6: Final answer
    x = 17,938,971.30

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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.