Home / 8,949,967.80-13,436,659.44-5,313,336.72

Finding the Fourth Proportional to 8,949,967.80, 13,436,659.44 and 5,313,336.72

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Solution

The fourth proportional to 8,949,967.80, 13,436,659.44 and 5,313,336.72 is: 7,976,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949,967.80 : 13,436,659.44 = 5,313,336.72 : x
  2. Step 2: Convert to fraction form
    8,949,967.80/13,436,659.44 = 5,313,336.72/x
  3. Step 3: Cross multiply
    8,949,967.80x = 13,436,659.44 × 5,313,336.72
  4. Step 4: Simplify right side
    8,949,967.80x = 71,393,495,996,686.62
  5. Step 5: Solve for x
    x = 71,393,495,996,686.62/8,949,967.80
  6. Step 6: Final answer
    x = 7,976,955.63

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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.