Home / 20,085,116.40-27,717,478.49-10,917,759.15

Finding the Fourth Proportional to 20,085,116.40, 27,717,478.49 and 10,917,759.15

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Solution

The fourth proportional to 20,085,116.40, 27,717,478.49 and 10,917,759.15 is: 15,066,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085,116.40 : 27,717,478.49 = 10,917,759.15 : x
  2. Step 2: Convert to fraction form
    20,085,116.40/27,717,478.49 = 10,917,759.15/x
  3. Step 3: Cross multiply
    20,085,116.40x = 27,717,478.49 × 10,917,759.15
  4. Step 4: Simplify right side
    20,085,116.40x = 302,612,754,426,420.06
  5. Step 5: Solve for x
    x = 302,612,754,426,420.06/20,085,116.40
  6. Step 6: Final answer
    x = 15,066,517.34

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Double scale
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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.