Home / 31,038,684.48-42,825,830.16-20,440,980.48

Finding the Fourth Proportional to 31,038,684.48, 42,825,830.16 and 20,440,980.48

Calculator

Solution

The fourth proportional to 31,038,684.48, 42,825,830.16 and 20,440,980.48 is: 28,203,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038,684.48 : 42,825,830.16 = 20,440,980.48 : x
  2. Step 2: Convert to fraction form
    31,038,684.48/42,825,830.16 = 20,440,980.48/x
  3. Step 3: Cross multiply
    31,038,684.48x = 42,825,830.16 × 20,440,980.48
  4. Step 4: Simplify right side
    31,038,684.48x = 875,401,958,340,355.25
  5. Step 5: Solve for x
    x = 875,401,958,340,355.25/31,038,684.48
  6. Step 6: Final answer
    x = 28,203,577.99

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.