Home / 13,140,802.06-18,134,672.49-7,260,815.12

Finding the Fourth Proportional to 13,140,802.06, 18,134,672.49 and 7,260,815.12

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Solution

The fourth proportional to 13,140,802.06, 18,134,672.49 and 7,260,815.12 is: 10,020,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,802.06 : 18,134,672.49 = 7,260,815.12 : x
  2. Step 2: Convert to fraction form
    13,140,802.06/18,134,672.49 = 7,260,815.12/x
  3. Step 3: Cross multiply
    13,140,802.06x = 18,134,672.49 × 7,260,815.12
  4. Step 4: Simplify right side
    13,140,802.06x = 131,672,504,211,640.03
  5. Step 5: Solve for x
    x = 131,672,504,211,640.03/13,140,802.06
  6. Step 6: Final answer
    x = 10,020,126.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.