Home / 21,148,947.45-31,724,110.94-10,067,614.65

Finding the Fourth Proportional to 21,148,947.45, 31,724,110.94 and 10,067,614.65

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Solution

The fourth proportional to 21,148,947.45, 31,724,110.94 and 10,067,614.65 is: 15,101,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,148,947.45 : 31,724,110.94 = 10,067,614.65 : x
  2. Step 2: Convert to fraction form
    21,148,947.45/31,724,110.94 = 10,067,614.65/x
  3. Step 3: Cross multiply
    21,148,947.45x = 31,724,110.94 × 10,067,614.65
  4. Step 4: Simplify right side
    21,148,947.45x = 319,386,124,007,431.19
  5. Step 5: Solve for x
    x = 319,386,124,007,431.19/21,148,947.45
  6. Step 6: Final answer
    x = 15,101,750.32

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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.