Home / 20,696,160.24-31,047,982.56-8,559,034.38

Finding the Fourth Proportional to 20,696,160.24, 31,047,982.56 and 8,559,034.38

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Solution

The fourth proportional to 20,696,160.24, 31,047,982.56 and 8,559,034.38 is: 12,840,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,160.24 : 31,047,982.56 = 8,559,034.38 : x
  2. Step 2: Convert to fraction form
    20,696,160.24/31,047,982.56 = 8,559,034.38/x
  3. Step 3: Cross multiply
    20,696,160.24x = 31,047,982.56 × 8,559,034.38
  4. Step 4: Simplify right side
    20,696,160.24x = 265,740,750,160,680.44
  5. Step 5: Solve for x
    x = 265,740,750,160,680.44/20,696,160.24
  6. Step 6: Final answer
    x = 12,840,099.18

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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.