Home / 12,873,129.31-17,757,038.86-7,642,587.52

Finding the Fourth Proportional to 12,873,129.31, 17,757,038.86 and 7,642,587.52

Calculator

Solution

The fourth proportional to 12,873,129.31, 17,757,038.86 and 7,642,587.52 is: 10,542,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873,129.31 : 17,757,038.86 = 7,642,587.52 : x
  2. Step 2: Convert to fraction form
    12,873,129.31/17,757,038.86 = 7,642,587.52/x
  3. Step 3: Cross multiply
    12,873,129.31x = 17,757,038.86 × 7,642,587.52
  4. Step 4: Simplify right side
    12,873,129.31x = 135,709,723,583,591.02
  5. Step 5: Solve for x
    x = 135,709,723,583,591.02/12,873,129.31
  6. Step 6: Final answer
    x = 10,542,092.78

Related Problems

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.