Home / 11,558,338.50-15,944,459.80-7,146,653.86

Finding the Fourth Proportional to 11,558,338.50, 15,944,459.80 and 7,146,653.86

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Solution

The fourth proportional to 11,558,338.50, 15,944,459.80 and 7,146,653.86 is: 9,858,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558,338.50 : 15,944,459.80 = 7,146,653.86 : x
  2. Step 2: Convert to fraction form
    11,558,338.50/15,944,459.80 = 7,146,653.86/x
  3. Step 3: Cross multiply
    11,558,338.50x = 15,944,459.80 × 7,146,653.86
  4. Step 4: Simplify right side
    11,558,338.50x = 113,949,535,175,284.84
  5. Step 5: Solve for x
    x = 113,949,535,175,284.84/11,558,338.50
  6. Step 6: Final answer
    x = 9,858,643.19

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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.