Home / 39,887,965.80-55,071,012.09-25,023,669.78

Finding the Fourth Proportional to 39,887,965.80, 55,071,012.09 and 25,023,669.78

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Solution

The fourth proportional to 39,887,965.80, 55,071,012.09 and 25,023,669.78 is: 34,548,736.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887,965.80 : 55,071,012.09 = 25,023,669.78 : x
  2. Step 2: Convert to fraction form
    39,887,965.80/55,071,012.09 = 25,023,669.78/x
  3. Step 3: Cross multiply
    39,887,965.80x = 55,071,012.09 × 25,023,669.78
  4. Step 4: Simplify right side
    39,887,965.80x = 1,378,078,820,990,547.75
  5. Step 5: Solve for x
    x = 1,378,078,820,990,547.75/39,887,965.80
  6. Step 6: Final answer
    x = 34,548,736.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.