Home / 8,315,098.40-12,483,145.20-4,479,975.20

Finding the Fourth Proportional to 8,315,098.40, 12,483,145.20 and 4,479,975.20

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Solution

The fourth proportional to 8,315,098.40, 12,483,145.20 and 4,479,975.20 is: 6,725,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,098.40 : 12,483,145.20 = 4,479,975.20 : x
  2. Step 2: Convert to fraction form
    8,315,098.40/12,483,145.20 = 4,479,975.20/x
  3. Step 3: Cross multiply
    8,315,098.40x = 12,483,145.20 × 4,479,975.20
  4. Step 4: Simplify right side
    8,315,098.40x = 55,924,180,913,999.04
  5. Step 5: Solve for x
    x = 55,924,180,913,999.04/8,315,098.40
  6. Step 6: Final answer
    x = 6,725,618.65

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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.