Home / 21,003,947.60-31,493,479.80-10,926,251.60

Finding the Fourth Proportional to 21,003,947.60, 31,493,479.80 and 10,926,251.60

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Solution

The fourth proportional to 21,003,947.60, 31,493,479.80 and 10,926,251.60 is: 16,382,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003,947.60 : 31,493,479.80 = 10,926,251.60 : x
  2. Step 2: Convert to fraction form
    21,003,947.60/31,493,479.80 = 10,926,251.60/x
  3. Step 3: Cross multiply
    21,003,947.60x = 31,493,479.80 × 10,926,251.60
  4. Step 4: Simplify right side
    21,003,947.60x = 344,105,684,054,317.69
  5. Step 5: Solve for x
    x = 344,105,684,054,317.69/21,003,947.60
  6. Step 6: Final answer
    x = 16,382,905.28

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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.