Home / 7,338,643.40-11,002,716.30-3,291,818.60

Finding the Fourth Proportional to 7,338,643.40, 11,002,716.30 and 3,291,818.60

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Solution

The fourth proportional to 7,338,643.40, 11,002,716.30 and 3,291,818.60 is: 4,935,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,643.40 : 11,002,716.30 = 3,291,818.60 : x
  2. Step 2: Convert to fraction form
    7,338,643.40/11,002,716.30 = 3,291,818.60/x
  3. Step 3: Cross multiply
    7,338,643.40x = 11,002,716.30 × 3,291,818.60
  4. Step 4: Simplify right side
    7,338,643.40x = 36,218,946,166,863.18
  5. Step 5: Solve for x
    x = 36,218,946,166,863.18/7,338,643.40
  6. Step 6: Final answer
    x = 4,935,373.50

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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.