Home / 12,209,101.11-18,299,720.19-4,917,892.05

Finding the Fourth Proportional to 12,209,101.11, 18,299,720.19 and 4,917,892.05

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Solution

The fourth proportional to 12,209,101.11, 18,299,720.19 and 4,917,892.05 is: 7,371,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,101.11 : 18,299,720.19 = 4,917,892.05 : x
  2. Step 2: Convert to fraction form
    12,209,101.11/18,299,720.19 = 4,917,892.05/x
  3. Step 3: Cross multiply
    12,209,101.11x = 18,299,720.19 × 4,917,892.05
  4. Step 4: Simplify right side
    12,209,101.11x = 89,996,048,439,625.50
  5. Step 5: Solve for x
    x = 89,996,048,439,625.50/12,209,101.11
  6. Step 6: Final answer
    x = 7,371,226.40

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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.