Home / 18,144,005.60-27,216,008.40-10,164,792.80

Finding the Fourth Proportional to 18,144,005.60, 27,216,008.40 and 10,164,792.80

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Solution

The fourth proportional to 18,144,005.60, 27,216,008.40 and 10,164,792.80 is: 15,247,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,005.60 : 27,216,008.40 = 10,164,792.80 : x
  2. Step 2: Convert to fraction form
    18,144,005.60/27,216,008.40 = 10,164,792.80/x
  3. Step 3: Cross multiply
    18,144,005.60x = 27,216,008.40 × 10,164,792.80
  4. Step 4: Simplify right side
    18,144,005.60x = 276,645,086,229,059.53
  5. Step 5: Solve for x
    x = 276,645,086,229,059.53/18,144,005.60
  6. Step 6: Final answer
    x = 15,247,189.20

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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.