Home / 7,101,711.85-10,654,146.46-3,313,128.01

Finding the Fourth Proportional to 7,101,711.85, 10,654,146.46 and 3,313,128.01

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Solution

The fourth proportional to 7,101,711.85, 10,654,146.46 and 3,313,128.01 is: 4,970,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,711.85 : 10,654,146.46 = 3,313,128.01 : x
  2. Step 2: Convert to fraction form
    7,101,711.85/10,654,146.46 = 3,313,128.01/x
  3. Step 3: Cross multiply
    7,101,711.85x = 10,654,146.46 × 3,313,128.01
  4. Step 4: Simplify right side
    7,101,711.85x = 35,298,551,059,268.34
  5. Step 5: Solve for x
    x = 35,298,551,059,268.34/7,101,711.85
  6. Step 6: Final answer
    x = 4,970,428.51

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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.