Home / 8,378,111.81-11,561,947.43-4,657,292.17

Finding the Fourth Proportional to 8,378,111.81, 11,561,947.43 and 4,657,292.17

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Solution

The fourth proportional to 8,378,111.81, 11,561,947.43 and 4,657,292.17 is: 6,427,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,111.81 : 11,561,947.43 = 4,657,292.17 : x
  2. Step 2: Convert to fraction form
    8,378,111.81/11,561,947.43 = 4,657,292.17/x
  3. Step 3: Cross multiply
    8,378,111.81x = 11,561,947.43 × 4,657,292.17
  4. Step 4: Simplify right side
    8,378,111.81x = 53,847,367,183,499.30
  5. Step 5: Solve for x
    x = 53,847,367,183,499.30/8,378,111.81
  6. Step 6: Final answer
    x = 6,427,148.31

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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.