Home / 7,117,040.70-9,821,521.35-3,853,881.18

Finding the Fourth Proportional to 7,117,040.70, 9,821,521.35 and 3,853,881.18

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Solution

The fourth proportional to 7,117,040.70, 9,821,521.35 and 3,853,881.18 is: 5,318,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,040.70 : 9,821,521.35 = 3,853,881.18 : x
  2. Step 2: Convert to fraction form
    7,117,040.70/9,821,521.35 = 3,853,881.18/x
  3. Step 3: Cross multiply
    7,117,040.70x = 9,821,521.35 × 3,853,881.18
  4. Step 4: Simplify right side
    7,117,040.70x = 37,850,976,289,733.20
  5. Step 5: Solve for x
    x = 37,850,976,289,733.20/7,117,040.70
  6. Step 6: Final answer
    x = 5,318,358.84

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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.