Home / 28,716,703.47-39,629,174-15,664,246.83

Finding the Fourth Proportional to 28,716,703.47, 39,629,174 and 15,664,246.83

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Solution

The fourth proportional to 28,716,703.47, 39,629,174 and 15,664,246.83 is: 21,616,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716,703.47 : 39,629,174 = 15,664,246.83 : x
  2. Step 2: Convert to fraction form
    28,716,703.47/39,629,174 = 15,664,246.83/x
  3. Step 3: Cross multiply
    28,716,703.47x = 39,629,174 × 15,664,246.83
  4. Step 4: Simplify right side
    28,716,703.47x = 620,761,163,205,018.38
  5. Step 5: Solve for x
    x = 620,761,163,205,018.38/28,716,703.47
  6. Step 6: Final answer
    x = 21,616,727.83

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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.