Home / 20,431,639.15-30,646,572.98-5,078,603.90

Finding the Fourth Proportional to 20,431,639.15, 30,646,572.98 and 5,078,603.90

Calculator

Solution

The fourth proportional to 20,431,639.15, 30,646,572.98 and 5,078,603.90 is: 7,617,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431,639.15 : 30,646,572.98 = 5,078,603.90 : x
  2. Step 2: Convert to fraction form
    20,431,639.15/30,646,572.98 = 5,078,603.90/x
  3. Step 3: Cross multiply
    20,431,639.15x = 30,646,572.98 × 5,078,603.90
  4. Step 4: Simplify right side
    20,431,639.15x = 155,641,805,057,862.62
  5. Step 5: Solve for x
    x = 155,641,805,057,862.62/20,431,639.15
  6. Step 6: Final answer
    x = 7,617,685.68

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.