Home / 6,787,971.67-9,367,595.73-4,138,974.40

Finding the Fourth Proportional to 6,787,971.67, 9,367,595.73 and 4,138,974.40

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Solution

The fourth proportional to 6,787,971.67, 9,367,595.73 and 4,138,974.40 is: 5,711,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,971.67 : 9,367,595.73 = 4,138,974.40 : x
  2. Step 2: Convert to fraction form
    6,787,971.67/9,367,595.73 = 4,138,974.40/x
  3. Step 3: Cross multiply
    6,787,971.67x = 9,367,595.73 × 4,138,974.40
  4. Step 4: Simplify right side
    6,787,971.67x = 38,772,238,916,019.31
  5. Step 5: Solve for x
    x = 38,772,238,916,019.31/6,787,971.67
  6. Step 6: Final answer
    x = 5,711,903.47

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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.