Home / 18,756,515.80-28,092,783.30-14,482,826.20

Finding the Fourth Proportional to 18,756,515.80, 28,092,783.30 and 14,482,826.20

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Solution

The fourth proportional to 18,756,515.80, 28,092,783.30 and 14,482,826.20 is: 21,691,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,515.80 : 28,092,783.30 = 14,482,826.20 : x
  2. Step 2: Convert to fraction form
    18,756,515.80/28,092,783.30 = 14,482,826.20/x
  3. Step 3: Cross multiply
    18,756,515.80x = 28,092,783.30 × 14,482,826.20
  4. Step 4: Simplify right side
    18,756,515.80x = 406,862,898,008,162.44
  5. Step 5: Solve for x
    x = 406,862,898,008,162.44/18,756,515.80
  6. Step 6: Final answer
    x = 21,691,816.45

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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.