Home / 5,981,345.20-8,972,017.80-5,319,996.40

Finding the Fourth Proportional to 5,981,345.20, 8,972,017.80 and 5,319,996.40

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Solution

The fourth proportional to 5,981,345.20, 8,972,017.80 and 5,319,996.40 is: 7,979,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,345.20 : 8,972,017.80 = 5,319,996.40 : x
  2. Step 2: Convert to fraction form
    5,981,345.20/8,972,017.80 = 5,319,996.40/x
  3. Step 3: Cross multiply
    5,981,345.20x = 8,972,017.80 × 5,319,996.40
  4. Step 4: Simplify right side
    5,981,345.20x = 47,731,102,396,735.93
  5. Step 5: Solve for x
    x = 47,731,102,396,735.93/5,981,345.20
  6. Step 6: Final answer
    x = 7,979,994.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.