Home / 5,173,403.73-7,138,955.56-3,107,191.56

Finding the Fourth Proportional to 5,173,403.73, 7,138,955.56 and 3,107,191.56

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Solution

The fourth proportional to 5,173,403.73, 7,138,955.56 and 3,107,191.56 is: 4,287,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,403.73 : 7,138,955.56 = 3,107,191.56 : x
  2. Step 2: Convert to fraction form
    5,173,403.73/7,138,955.56 = 3,107,191.56/x
  3. Step 3: Cross multiply
    5,173,403.73x = 7,138,955.56 × 3,107,191.56
  4. Step 4: Simplify right side
    5,173,403.73x = 22,182,102,463,247.07
  5. Step 5: Solve for x
    x = 22,182,102,463,247.07/5,173,403.73
  6. Step 6: Final answer
    x = 4,287,719.19

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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.