Home / 15,710,976.77-21,680,807.45-9,095,843.96

Finding the Fourth Proportional to 15,710,976.77, 21,680,807.45 and 9,095,843.96

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Solution

The fourth proportional to 15,710,976.77, 21,680,807.45 and 9,095,843.96 is: 12,552,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710,976.77 : 21,680,807.45 = 9,095,843.96 : x
  2. Step 2: Convert to fraction form
    15,710,976.77/21,680,807.45 = 9,095,843.96/x
  3. Step 3: Cross multiply
    15,710,976.77x = 21,680,807.45 × 9,095,843.96
  4. Step 4: Simplify right side
    15,710,976.77x = 197,205,241,338,122.25
  5. Step 5: Solve for x
    x = 197,205,241,338,122.25/15,710,976.77
  6. Step 6: Final answer
    x = 12,552,067.53

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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.