Home / 12,541,804.20-18,826,703.10-11,719,492.20

Finding the Fourth Proportional to 12,541,804.20, 18,826,703.10 and 11,719,492.20

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Solution

The fourth proportional to 12,541,804.20, 18,826,703.10 and 11,719,492.20 is: 17,592,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541,804.20 : 18,826,703.10 = 11,719,492.20 : x
  2. Step 2: Convert to fraction form
    12,541,804.20/18,826,703.10 = 11,719,492.20/x
  3. Step 3: Cross multiply
    12,541,804.20x = 18,826,703.10 × 11,719,492.20
  4. Step 4: Simplify right side
    12,541,804.20x = 220,639,400,132,165.81
  5. Step 5: Solve for x
    x = 220,639,400,132,165.81/12,541,804.20
  6. Step 6: Final answer
    x = 17,592,317.39

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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.