Home / 18,630,111.40-27,945,167.10-15,654,041.80

Finding the Fourth Proportional to 18,630,111.40, 27,945,167.10 and 15,654,041.80

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Solution

The fourth proportional to 18,630,111.40, 27,945,167.10 and 15,654,041.80 is: 23,481,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,111.40 : 27,945,167.10 = 15,654,041.80 : x
  2. Step 2: Convert to fraction form
    18,630,111.40/27,945,167.10 = 15,654,041.80/x
  3. Step 3: Cross multiply
    18,630,111.40x = 27,945,167.10 × 15,654,041.80
  4. Step 4: Simplify right side
    18,630,111.40x = 437,454,813,891,384.81
  5. Step 5: Solve for x
    x = 437,454,813,891,384.81/18,630,111.40
  6. Step 6: Final answer
    x = 23,481,062.70

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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.