Home / 31,187,422.46-43,021,363.92-18,133,238.18

Finding the Fourth Proportional to 31,187,422.46, 43,021,363.92 and 18,133,238.18

Calculator

Solution

The fourth proportional to 31,187,422.46, 43,021,363.92 and 18,133,238.18 is: 25,013,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,187,422.46 : 43,021,363.92 = 18,133,238.18 : x
  2. Step 2: Convert to fraction form
    31,187,422.46/43,021,363.92 = 18,133,238.18/x
  3. Step 3: Cross multiply
    31,187,422.46x = 43,021,363.92 × 18,133,238.18
  4. Step 4: Simplify right side
    31,187,422.46x = 780,116,638,789,818.50
  5. Step 5: Solve for x
    x = 780,116,638,789,818.50/31,187,422.46
  6. Step 6: Final answer
    x = 25,013,822.15

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.