Home / 28,262,458.20-42,393,687.30-13,913,551.20

Finding the Fourth Proportional to 28,262,458.20, 42,393,687.30 and 13,913,551.20

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Solution

The fourth proportional to 28,262,458.20, 42,393,687.30 and 13,913,551.20 is: 20,870,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,458.20 : 42,393,687.30 = 13,913,551.20 : x
  2. Step 2: Convert to fraction form
    28,262,458.20/42,393,687.30 = 13,913,551.20/x
  3. Step 3: Cross multiply
    28,262,458.20x = 42,393,687.30 × 13,913,551.20
  4. Step 4: Simplify right side
    28,262,458.20x = 589,846,738,805,339.62
  5. Step 5: Solve for x
    x = 589,846,738,805,339.62/28,262,458.20
  6. Step 6: Final answer
    x = 20,870,326.80

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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.