Home / 30,940,079.03-42,694,809.80-17,888,179.22

Finding the Fourth Proportional to 30,940,079.03, 42,694,809.80 and 17,888,179.22

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Solution

The fourth proportional to 30,940,079.03, 42,694,809.80 and 17,888,179.22 is: 24,684,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,079.03 : 42,694,809.80 = 17,888,179.22 : x
  2. Step 2: Convert to fraction form
    30,940,079.03/42,694,809.80 = 17,888,179.22/x
  3. Step 3: Cross multiply
    30,940,079.03x = 42,694,809.80 × 17,888,179.22
  4. Step 4: Simplify right side
    30,940,079.03x = 763,732,409,499,476.38
  5. Step 5: Solve for x
    x = 763,732,409,499,476.38/30,940,079.03
  6. Step 6: Final answer
    x = 24,684,242.36

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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.