Home / 11,867,996.40-17,812,492.20-10,167,385.20

Finding the Fourth Proportional to 11,867,996.40, 17,812,492.20 and 10,167,385.20

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Solution

The fourth proportional to 11,867,996.40, 17,812,492.20 and 10,167,385.20 is: 15,260,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867,996.40 : 17,812,492.20 = 10,167,385.20 : x
  2. Step 2: Convert to fraction form
    11,867,996.40/17,812,492.20 = 10,167,385.20/x
  3. Step 3: Cross multiply
    11,867,996.40x = 17,812,492.20 × 10,167,385.20
  4. Step 4: Simplify right side
    11,867,996.40x = 181,106,469,569,395.41
  5. Step 5: Solve for x
    x = 181,106,469,569,395.41/11,867,996.40
  6. Step 6: Final answer
    x = 15,260,071.16

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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.