Home / 21,012,820.80-31,494,736.80-9,654,417.60

Finding the Fourth Proportional to 21,012,820.80, 31,494,736.80 and 9,654,417.60

Calculator

Solution

The fourth proportional to 21,012,820.80, 31,494,736.80 and 9,654,417.60 is: 14,470,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,820.80 : 31,494,736.80 = 9,654,417.60 : x
  2. Step 2: Convert to fraction form
    21,012,820.80/31,494,736.80 = 9,654,417.60/x
  3. Step 3: Cross multiply
    21,012,820.80x = 31,494,736.80 × 9,654,417.60
  4. Step 4: Simplify right side
    21,012,820.80x = 304,063,341,269,287.69
  5. Step 5: Solve for x
    x = 304,063,341,269,287.69/21,012,820.80
  6. Step 6: Final answer
    x = 14,470,372.36

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.