Home / 7,072,221.80-9,759,705.54-4,132,211.78

Finding the Fourth Proportional to 7,072,221.80, 9,759,705.54 and 4,132,211.78

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Solution

The fourth proportional to 7,072,221.80, 9,759,705.54 and 4,132,211.78 is: 5,702,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072,221.80 : 9,759,705.54 = 4,132,211.78 : x
  2. Step 2: Convert to fraction form
    7,072,221.80/9,759,705.54 = 4,132,211.78/x
  3. Step 3: Cross multiply
    7,072,221.80x = 9,759,705.54 × 4,132,211.78
  4. Step 4: Simplify right side
    7,072,221.80x = 40,329,170,201,719.26
  5. Step 5: Solve for x
    x = 40,329,170,201,719.26/7,072,221.80
  6. Step 6: Final answer
    x = 5,702,475.31

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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.