Home / 6,982,612.80-9,635,159.07-3,884,403.78

Finding the Fourth Proportional to 6,982,612.80, 9,635,159.07 and 3,884,403.78

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Solution

The fourth proportional to 6,982,612.80, 9,635,159.07 and 3,884,403.78 is: 5,360,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982,612.80 : 9,635,159.07 = 3,884,403.78 : x
  2. Step 2: Convert to fraction form
    6,982,612.80/9,635,159.07 = 3,884,403.78/x
  3. Step 3: Cross multiply
    6,982,612.80x = 9,635,159.07 × 3,884,403.78
  4. Step 4: Simplify right side
    6,982,612.80x = 37,426,848,312,409.28
  5. Step 5: Solve for x
    x = 37,426,848,312,409.28/6,982,612.80
  6. Step 6: Final answer
    x = 5,360,006.26

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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.