Home / 28,570,878.82-39,428,099.22-15,518,393.02

Finding the Fourth Proportional to 28,570,878.82, 39,428,099.22 and 15,518,393.02

Calculator

Solution

The fourth proportional to 28,570,878.82, 39,428,099.22 and 15,518,393.02 is: 21,415,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570,878.82 : 39,428,099.22 = 15,518,393.02 : x
  2. Step 2: Convert to fraction form
    28,570,878.82/39,428,099.22 = 15,518,393.02/x
  3. Step 3: Cross multiply
    28,570,878.82x = 39,428,099.22 × 15,518,393.02
  4. Step 4: Simplify right side
    28,570,878.82x = 611,860,739,727,515.38
  5. Step 5: Solve for x
    x = 611,860,739,727,515.38/28,570,878.82
  6. Step 6: Final answer
    x = 21,415,537.95

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.