Home / 7,242,104.92-9,989,947.56-4,521,127

Finding the Fourth Proportional to 7,242,104.92, 9,989,947.56 and 4,521,127

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Solution

The fourth proportional to 7,242,104.92, 9,989,947.56 and 4,521,127 is: 6,236,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,104.92 : 9,989,947.56 = 4,521,127 : x
  2. Step 2: Convert to fraction form
    7,242,104.92/9,989,947.56 = 4,521,127/x
  3. Step 3: Cross multiply
    7,242,104.92x = 9,989,947.56 × 4,521,127
  4. Step 4: Simplify right side
    7,242,104.92x = 45,165,821,642,100.12
  5. Step 5: Solve for x
    x = 45,165,821,642,100.12/7,242,104.92
  6. Step 6: Final answer
    x = 6,236,559.97

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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.