Home / 42,682,342.77-64,033,699.50-13,928,531.85

Finding the Fourth Proportional to 42,682,342.77, 64,033,699.50 and 13,928,531.85

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Solution

The fourth proportional to 42,682,342.77, 64,033,699.50 and 13,928,531.85 is: 20,896,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,682,342.77 : 64,033,699.50 = 13,928,531.85 : x
  2. Step 2: Convert to fraction form
    42,682,342.77/64,033,699.50 = 13,928,531.85/x
  3. Step 3: Cross multiply
    42,682,342.77x = 64,033,699.50 × 13,928,531.85
  4. Step 4: Simplify right side
    42,682,342.77x = 891,895,422,959,079
  5. Step 5: Solve for x
    x = 891,895,422,959,079/42,682,342.77
  6. Step 6: Final answer
    x = 20,896,121.56

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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.