Home / 28,050,718.73-38,707,042.93-16,287,687.72

Finding the Fourth Proportional to 28,050,718.73, 38,707,042.93 and 16,287,687.72

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Solution

The fourth proportional to 28,050,718.73, 38,707,042.93 and 16,287,687.72 is: 22,475,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050,718.73 : 38,707,042.93 = 16,287,687.72 : x
  2. Step 2: Convert to fraction form
    28,050,718.73/38,707,042.93 = 16,287,687.72/x
  3. Step 3: Cross multiply
    28,050,718.73x = 38,707,042.93 × 16,287,687.72
  4. Step 4: Simplify right side
    28,050,718.73x = 630,448,227,767,754.62
  5. Step 5: Solve for x
    x = 630,448,227,767,754.62/28,050,718.73
  6. Step 6: Final answer
    x = 22,475,296.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.