Home / 38,891,734.16-53,671,675.32-21,489,200.48

Finding the Fourth Proportional to 38,891,734.16, 53,671,675.32 and 21,489,200.48

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Solution

The fourth proportional to 38,891,734.16, 53,671,675.32 and 21,489,200.48 is: 29,655,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891,734.16 : 53,671,675.32 = 21,489,200.48 : x
  2. Step 2: Convert to fraction form
    38,891,734.16/53,671,675.32 = 21,489,200.48/x
  3. Step 3: Cross multiply
    38,891,734.16x = 53,671,675.32 × 21,489,200.48
  4. Step 4: Simplify right side
    38,891,734.16x = 1,153,361,391,048,948.25
  5. Step 5: Solve for x
    x = 1,153,361,391,048,948.25/38,891,734.16
  6. Step 6: Final answer
    x = 29,655,694.61

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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.