Home / 21,135,256.29-31,692,892.12-8,187,471.34

Finding the Fourth Proportional to 21,135,256.29, 31,692,892.12 and 8,187,471.34

Calculator

Solution

The fourth proportional to 21,135,256.29, 31,692,892.12 and 8,187,471.34 is: 12,277,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,135,256.29 : 31,692,892.12 = 8,187,471.34 : x
  2. Step 2: Convert to fraction form
    21,135,256.29/31,692,892.12 = 8,187,471.34/x
  3. Step 3: Cross multiply
    21,135,256.29x = 31,692,892.12 × 8,187,471.34
  4. Step 4: Simplify right side
    21,135,256.29x = 259,484,646,038,837.97
  5. Step 5: Solve for x
    x = 259,484,646,038,837.97/21,135,256.29
  6. Step 6: Final answer
    x = 12,277,336.15

Related Problems

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.