Home / 7,061,807.76-9,746,287.38-4,122,588.84

Finding the Fourth Proportional to 7,061,807.76, 9,746,287.38 and 4,122,588.84

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Solution

The fourth proportional to 7,061,807.76, 9,746,287.38 and 4,122,588.84 is: 5,689,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,061,807.76 : 9,746,287.38 = 4,122,588.84 : x
  2. Step 2: Convert to fraction form
    7,061,807.76/9,746,287.38 = 4,122,588.84/x
  3. Step 3: Cross multiply
    7,061,807.76x = 9,746,287.38 × 4,122,588.84
  4. Step 4: Simplify right side
    7,061,807.76x = 40,179,935,584,220.84
  5. Step 5: Solve for x
    x = 40,179,935,584,220.84/7,061,807.76
  6. Step 6: Final answer
    x = 5,689,752.11

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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.