Home / 7,169,536.85-9,893,836.28-3,906,378.39

Finding the Fourth Proportional to 7,169,536.85, 9,893,836.28 and 3,906,378.39

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Solution

The fourth proportional to 7,169,536.85, 9,893,836.28 and 3,906,378.39 is: 5,390,734.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,536.85 : 9,893,836.28 = 3,906,378.39 : x
  2. Step 2: Convert to fraction form
    7,169,536.85/9,893,836.28 = 3,906,378.39/x
  3. Step 3: Cross multiply
    7,169,536.85x = 9,893,836.28 × 3,906,378.39
  4. Step 4: Simplify right side
    7,169,536.85x = 38,649,068,263,282.10
  5. Step 5: Solve for x
    x = 38,649,068,263,282.10/7,169,536.85
  6. Step 6: Final answer
    x = 5,390,734.31

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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.