Home / 7,136,982.86-9,849,046.19-3,873,798.18

Finding the Fourth Proportional to 7,136,982.86, 9,849,046.19 and 3,873,798.18

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Solution

The fourth proportional to 7,136,982.86, 9,849,046.19 and 3,873,798.18 is: 5,345,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,982.86 : 9,849,046.19 = 3,873,798.18 : x
  2. Step 2: Convert to fraction form
    7,136,982.86/9,849,046.19 = 3,873,798.18/x
  3. Step 3: Cross multiply
    7,136,982.86x = 9,849,046.19 × 3,873,798.18
  4. Step 4: Simplify right side
    7,136,982.86x = 38,153,217,186,188.95
  5. Step 5: Solve for x
    x = 38,153,217,186,188.95/7,136,982.86
  6. Step 6: Final answer
    x = 5,345,846.83

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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.