Home / 54,649,561.47-81,962,255.31-15,779,579.41

Finding the Fourth Proportional to 54,649,561.47, 81,962,255.31 and 15,779,579.41

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Solution

The fourth proportional to 54,649,561.47, 81,962,255.31 and 15,779,579.41 is: 23,665,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649,561.47 : 81,962,255.31 = 15,779,579.41 : x
  2. Step 2: Convert to fraction form
    54,649,561.47/81,962,255.31 = 15,779,579.41/x
  3. Step 3: Cross multiply
    54,649,561.47x = 81,962,255.31 × 15,779,579.41
  4. Step 4: Simplify right side
    54,649,561.47x = 1,293,329,916,286,839.25
  5. Step 5: Solve for x
    x = 1,293,329,916,286,839.25/54,649,561.47
  6. Step 6: Final answer
    x = 23,665,879.13

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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.