Home / 8,378,119.69-11,561,958.29-4,657,300.04

Finding the Fourth Proportional to 8,378,119.69, 11,561,958.29 and 4,657,300.04

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Solution

The fourth proportional to 8,378,119.69, 11,561,958.29 and 4,657,300.04 is: 6,427,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,119.69 : 11,561,958.29 = 4,657,300.04 : x
  2. Step 2: Convert to fraction form
    8,378,119.69/11,561,958.29 = 4,657,300.04/x
  3. Step 3: Cross multiply
    8,378,119.69x = 11,561,958.29 × 4,657,300.04
  4. Step 4: Simplify right side
    8,378,119.69x = 53,847,508,847,043.48
  5. Step 5: Solve for x
    x = 53,847,508,847,043.48/8,378,119.69
  6. Step 6: Final answer
    x = 6,427,159.18

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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.