Home / 19,743,298.65-29,625,276.78-8,080,328.39

Finding the Fourth Proportional to 19,743,298.65, 29,625,276.78 and 8,080,328.39

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Solution

The fourth proportional to 19,743,298.65, 29,625,276.78 and 8,080,328.39 is: 12,124,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743,298.65 : 29,625,276.78 = 8,080,328.39 : x
  2. Step 2: Convert to fraction form
    19,743,298.65/29,625,276.78 = 8,080,328.39/x
  3. Step 3: Cross multiply
    19,743,298.65x = 29,625,276.78 × 8,080,328.39
  4. Step 4: Simplify right side
    19,743,298.65x = 239,381,964,878,915.41
  5. Step 5: Solve for x
    x = 239,381,964,878,915.41/19,743,298.65
  6. Step 6: Final answer
    x = 12,124,719.84

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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.