Home / 18,630,017.40-27,945,026.10-15,653,947.80

Finding the Fourth Proportional to 18,630,017.40, 27,945,026.10 and 15,653,947.80

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Solution

The fourth proportional to 18,630,017.40, 27,945,026.10 and 15,653,947.80 is: 23,480,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,017.40 : 27,945,026.10 = 15,653,947.80 : x
  2. Step 2: Convert to fraction form
    18,630,017.40/27,945,026.10 = 15,653,947.80/x
  3. Step 3: Cross multiply
    18,630,017.40x = 27,945,026.10 × 15,653,947.80
  4. Step 4: Simplify right side
    18,630,017.40x = 437,449,979,839,037.62
  5. Step 5: Solve for x
    x = 437,449,979,839,037.62/18,630,017.40
  6. Step 6: Final answer
    x = 23,480,921.70

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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.