Home / 12,156,680.60-18,235,020.90-10,980,949.40

Finding the Fourth Proportional to 12,156,680.60, 18,235,020.90 and 10,980,949.40

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Solution

The fourth proportional to 12,156,680.60, 18,235,020.90 and 10,980,949.40 is: 16,471,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,680.60 : 18,235,020.90 = 10,980,949.40 : x
  2. Step 2: Convert to fraction form
    12,156,680.60/18,235,020.90 = 10,980,949.40/x
  3. Step 3: Cross multiply
    12,156,680.60x = 18,235,020.90 × 10,980,949.40
  4. Step 4: Simplify right side
    12,156,680.60x = 200,237,841,810,842.44
  5. Step 5: Solve for x
    x = 200,237,841,810,842.44/12,156,680.60
  6. Step 6: Final answer
    x = 16,471,424.10

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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.