Home / 18,185,627.40-27,278,441.10-5,404,471.35

Finding the Fourth Proportional to 18,185,627.40, 27,278,441.10 and 5,404,471.35

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Solution

The fourth proportional to 18,185,627.40, 27,278,441.10 and 5,404,471.35 is: 8,106,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185,627.40 : 27,278,441.10 = 5,404,471.35 : x
  2. Step 2: Convert to fraction form
    18,185,627.40/27,278,441.10 = 5,404,471.35/x
  3. Step 3: Cross multiply
    18,185,627.40x = 27,278,441.10 × 5,404,471.35
  4. Step 4: Simplify right side
    18,185,627.40x = 147,425,553,397,612.47
  5. Step 5: Solve for x
    x = 147,425,553,397,612.47/18,185,627.40
  6. Step 6: Final answer
    x = 8,106,707.03

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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.