Home / 7,922,679.80-11,884,019.70-7,387,302.20

Finding the Fourth Proportional to 7,922,679.80, 11,884,019.70 and 7,387,302.20

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Solution

The fourth proportional to 7,922,679.80, 11,884,019.70 and 7,387,302.20 is: 11,080,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922,679.80 : 11,884,019.70 = 7,387,302.20 : x
  2. Step 2: Convert to fraction form
    7,922,679.80/11,884,019.70 = 7,387,302.20/x
  3. Step 3: Cross multiply
    7,922,679.80x = 11,884,019.70 × 7,387,302.20
  4. Step 4: Simplify right side
    7,922,679.80x = 87,790,844,874,653.34
  5. Step 5: Solve for x
    x = 87,790,844,874,653.34/7,922,679.80
  6. Step 6: Final answer
    x = 11,080,953.30

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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.