Home / 13,320,291.89-18,381,966.63-7,208,720.39

Finding the Fourth Proportional to 13,320,291.89, 18,381,966.63 and 7,208,720.39

Calculator

Solution

The fourth proportional to 13,320,291.89, 18,381,966.63 and 7,208,720.39 is: 9,948,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,291.89 : 18,381,966.63 = 7,208,720.39 : x
  2. Step 2: Convert to fraction form
    13,320,291.89/18,381,966.63 = 7,208,720.39/x
  3. Step 3: Cross multiply
    13,320,291.89x = 18,381,966.63 × 7,208,720.39
  4. Step 4: Simplify right side
    13,320,291.89x = 132,510,457,653,980.58
  5. Step 5: Solve for x
    x = 132,510,457,653,980.58/13,320,291.89
  6. Step 6: Final answer
    x = 9,948,014.56

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.