Home / 18,108,628.20-27,194,435.10-9,605,572.20

Finding the Fourth Proportional to 18,108,628.20, 27,194,435.10 and 9,605,572.20

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Solution

The fourth proportional to 18,108,628.20, 27,194,435.10 and 9,605,572.20 is: 14,425,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108,628.20 : 27,194,435.10 = 9,605,572.20 : x
  2. Step 2: Convert to fraction form
    18,108,628.20/27,194,435.10 = 9,605,572.20/x
  3. Step 3: Cross multiply
    18,108,628.20x = 27,194,435.10 × 9,605,572.20
  4. Step 4: Simplify right side
    18,108,628.20x = 261,218,109,791,264.22
  5. Step 5: Solve for x
    x = 261,218,109,791,264.22/18,108,628.20
  6. Step 6: Final answer
    x = 14,425,063.40

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1.5x scale

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.