Home / 15,875,290.80-21,917,292.90-9,999,961.44

Finding the Fourth Proportional to 15,875,290.80, 21,917,292.90 and 9,999,961.44

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Solution

The fourth proportional to 15,875,290.80, 21,917,292.90 and 9,999,961.44 is: 13,805,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875,290.80 : 21,917,292.90 = 9,999,961.44 : x
  2. Step 2: Convert to fraction form
    15,875,290.80/21,917,292.90 = 9,999,961.44/x
  3. Step 3: Cross multiply
    15,875,290.80x = 21,917,292.90 × 9,999,961.44
  4. Step 4: Simplify right side
    15,875,290.80x = 219,172,083,869,185.75
  5. Step 5: Solve for x
    x = 219,172,083,869,185.75/15,875,290.80
  6. Step 6: Final answer
    x = 13,805,862.62

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1.5x scale

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.