Home / 21,290,706.18-31,917,637.08-18,073,264.68

Finding the Fourth Proportional to 21,290,706.18, 31,917,637.08 and 18,073,264.68

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Solution

The fourth proportional to 21,290,706.18, 31,917,637.08 and 18,073,264.68 is: 27,094,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290,706.18 : 31,917,637.08 = 18,073,264.68 : x
  2. Step 2: Convert to fraction form
    21,290,706.18/31,917,637.08 = 18,073,264.68/x
  3. Step 3: Cross multiply
    21,290,706.18x = 31,917,637.08 × 18,073,264.68
  4. Step 4: Simplify right side
    21,290,706.18x = 576,855,902,907,022.25
  5. Step 5: Solve for x
    x = 576,855,902,907,022.25/21,290,706.18
  6. Step 6: Final answer
    x = 27,094,258.78

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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.