Home / 18,157,085.80-27,250,500.30-18,015,368.20

Finding the Fourth Proportional to 18,157,085.80, 27,250,500.30 and 18,015,368.20

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Solution

The fourth proportional to 18,157,085.80, 27,250,500.30 and 18,015,368.20 is: 27,037,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,085.80 : 27,250,500.30 = 18,015,368.20 : x
  2. Step 2: Convert to fraction form
    18,157,085.80/27,250,500.30 = 18,015,368.20/x
  3. Step 3: Cross multiply
    18,157,085.80x = 27,250,500.30 × 18,015,368.20
  4. Step 4: Simplify right side
    18,157,085.80x = 490,927,796,538,710.44
  5. Step 5: Solve for x
    x = 490,927,796,538,710.44/18,157,085.80
  6. Step 6: Final answer
    x = 27,037,807.83

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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.