Home / 18,696,083.34-28,047,760.90-7,180,708.22

Finding the Fourth Proportional to 18,696,083.34, 28,047,760.90 and 7,180,708.22

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Solution

The fourth proportional to 18,696,083.34, 28,047,760.90 and 7,180,708.22 is: 10,772,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,083.34 : 28,047,760.90 = 7,180,708.22 : x
  2. Step 2: Convert to fraction form
    18,696,083.34/28,047,760.90 = 7,180,708.22/x
  3. Step 3: Cross multiply
    18,696,083.34x = 28,047,760.90 × 7,180,708.22
  4. Step 4: Simplify right side
    18,696,083.34x = 201,402,787,234,604.59
  5. Step 5: Solve for x
    x = 201,402,787,234,604.59/18,696,083.34
  6. Step 6: Final answer
    x = 10,772,458.78

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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.