Home / 12,440,213.02-18,668,727.65-4,353,260.21

Finding the Fourth Proportional to 12,440,213.02, 18,668,727.65 and 4,353,260.21

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Solution

The fourth proportional to 12,440,213.02, 18,668,727.65 and 4,353,260.21 is: 6,532,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,213.02 : 18,668,727.65 = 4,353,260.21 : x
  2. Step 2: Convert to fraction form
    12,440,213.02/18,668,727.65 = 4,353,260.21/x
  3. Step 3: Cross multiply
    12,440,213.02x = 18,668,727.65 × 4,353,260.21
  4. Step 4: Simplify right side
    12,440,213.02x = 81,269,829,250,071.80
  5. Step 5: Solve for x
    x = 81,269,829,250,071.80/12,440,213.02
  6. Step 6: Final answer
    x = 6,532,832.61

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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.