Home / 8,290,315.71-11,440,712.61-4,569,279.39

Finding the Fourth Proportional to 8,290,315.71, 11,440,712.61 and 4,569,279.39

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Solution

The fourth proportional to 8,290,315.71, 11,440,712.61 and 4,569,279.39 is: 6,305,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,315.71 : 11,440,712.61 = 4,569,279.39 : x
  2. Step 2: Convert to fraction form
    8,290,315.71/11,440,712.61 = 4,569,279.39/x
  3. Step 3: Cross multiply
    8,290,315.71x = 11,440,712.61 × 4,569,279.39
  4. Step 4: Simplify right side
    8,290,315.71x = 52,275,812,335,786.10
  5. Step 5: Solve for x
    x = 52,275,812,335,786.10/8,290,315.71
  6. Step 6: Final answer
    x = 6,305,647.96

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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.