Home / 6,787,970.67-9,367,594.35-4,138,973.40

Finding the Fourth Proportional to 6,787,970.67, 9,367,594.35 and 4,138,973.40

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Solution

The fourth proportional to 6,787,970.67, 9,367,594.35 and 4,138,973.40 is: 5,711,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,970.67 : 9,367,594.35 = 4,138,973.40 : x
  2. Step 2: Convert to fraction form
    6,787,970.67/9,367,594.35 = 4,138,973.40/x
  3. Step 3: Cross multiply
    6,787,970.67x = 9,367,594.35 × 4,138,973.40
  4. Step 4: Simplify right side
    6,787,970.67x = 38,772,223,836,640.29
  5. Step 5: Solve for x
    x = 38,772,223,836,640.29/6,787,970.67
  6. Step 6: Final answer
    x = 5,711,902.09

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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.