Home / 18,679,080.30-28,039,615.65-14,438,049.90

Finding the Fourth Proportional to 18,679,080.30, 28,039,615.65 and 14,438,049.90

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Solution

The fourth proportional to 18,679,080.30, 28,039,615.65 and 14,438,049.90 is: 21,673,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679,080.30 : 28,039,615.65 = 14,438,049.90 : x
  2. Step 2: Convert to fraction form
    18,679,080.30/28,039,615.65 = 14,438,049.90/x
  3. Step 3: Cross multiply
    18,679,080.30x = 28,039,615.65 × 14,438,049.90
  4. Step 4: Simplify right side
    18,679,080.30x = 404,837,369,931,520.94
  5. Step 5: Solve for x
    x = 404,837,369,931,520.94/18,679,080.30
  6. Step 6: Final answer
    x = 21,673,303.15

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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.