Home / 8,280,602.65-12,422,252.11-2,445,378.58

Finding the Fourth Proportional to 8,280,602.65, 12,422,252.11 and 2,445,378.58

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Solution

The fourth proportional to 8,280,602.65, 12,422,252.11 and 2,445,378.58 is: 3,668,465.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280,602.65 : 12,422,252.11 = 2,445,378.58 : x
  2. Step 2: Convert to fraction form
    8,280,602.65/12,422,252.11 = 2,445,378.58/x
  3. Step 3: Cross multiply
    8,280,602.65x = 12,422,252.11 × 2,445,378.58
  4. Step 4: Simplify right side
    8,280,602.65x = 30,377,109,225,153.80
  5. Step 5: Solve for x
    x = 30,377,109,225,153.80/8,280,602.65
  6. Step 6: Final answer
    x = 3,668,465.99

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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.