Home / 18,155,215.20-27,232,822.80-6,640,660.20

Finding the Fourth Proportional to 18,155,215.20, 27,232,822.80 and 6,640,660.20

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Solution

The fourth proportional to 18,155,215.20, 27,232,822.80 and 6,640,660.20 is: 9,960,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,215.20 : 27,232,822.80 = 6,640,660.20 : x
  2. Step 2: Convert to fraction form
    18,155,215.20/27,232,822.80 = 6,640,660.20/x
  3. Step 3: Cross multiply
    18,155,215.20x = 27,232,822.80 × 6,640,660.20
  4. Step 4: Simplify right side
    18,155,215.20x = 180,843,922,501,612.56
  5. Step 5: Solve for x
    x = 180,843,922,501,612.56/18,155,215.20
  6. Step 6: Final answer
    x = 9,960,990.30

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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.