Home / 18,123,477.60-27,185,216.40-10,061,320.80

Finding the Fourth Proportional to 18,123,477.60, 27,185,216.40 and 10,061,320.80

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Solution

The fourth proportional to 18,123,477.60, 27,185,216.40 and 10,061,320.80 is: 15,091,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,477.60 : 27,185,216.40 = 10,061,320.80 : x
  2. Step 2: Convert to fraction form
    18,123,477.60/27,185,216.40 = 10,061,320.80/x
  3. Step 3: Cross multiply
    18,123,477.60x = 27,185,216.40 × 10,061,320.80
  4. Step 4: Simplify right side
    18,123,477.60x = 273,519,183,217,821.12
  5. Step 5: Solve for x
    x = 273,519,183,217,821.12/18,123,477.60
  6. Step 6: Final answer
    x = 15,091,981.20

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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.