Home / 18,696,152.46-28,047,864.60-7,180,777.38

Finding the Fourth Proportional to 18,696,152.46, 28,047,864.60 and 7,180,777.38

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Solution

The fourth proportional to 18,696,152.46, 28,047,864.60 and 7,180,777.38 is: 10,772,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,152.46 : 28,047,864.60 = 7,180,777.38 : x
  2. Step 2: Convert to fraction form
    18,696,152.46/28,047,864.60 = 7,180,777.38/x
  3. Step 3: Cross multiply
    18,696,152.46x = 28,047,864.60 × 7,180,777.38
  4. Step 4: Simplify right side
    18,696,152.46x = 201,405,471,676,982.75
  5. Step 5: Solve for x
    x = 201,405,471,676,982.75/18,696,152.46
  6. Step 6: Final answer
    x = 10,772,562.54

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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.