Home / 26,299,282.70-39,448,924.05-19,921,990.70

Finding the Fourth Proportional to 26,299,282.70, 39,448,924.05 and 19,921,990.70

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Solution

The fourth proportional to 26,299,282.70, 39,448,924.05 and 19,921,990.70 is: 29,882,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299,282.70 : 39,448,924.05 = 19,921,990.70 : x
  2. Step 2: Convert to fraction form
    26,299,282.70/39,448,924.05 = 19,921,990.70/x
  3. Step 3: Cross multiply
    26,299,282.70x = 39,448,924.05 × 19,921,990.70
  4. Step 4: Simplify right side
    26,299,282.70x = 785,901,098,049,106.25
  5. Step 5: Solve for x
    x = 785,901,098,049,106.25/26,299,282.70
  6. Step 6: Final answer
    x = 29,882,986.05

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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.