Home / 20,346,598.72-28,071,361.92-12,608,817.76

Finding the Fourth Proportional to 20,346,598.72, 28,071,361.92 and 12,608,817.76

Calculator

Solution

The fourth proportional to 20,346,598.72, 28,071,361.92 and 12,608,817.76 is: 17,395,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,598.72 : 28,071,361.92 = 12,608,817.76 : x
  2. Step 2: Convert to fraction form
    20,346,598.72/28,071,361.92 = 12,608,817.76/x
  3. Step 3: Cross multiply
    20,346,598.72x = 28,071,361.92 × 12,608,817.76
  4. Step 4: Simplify right side
    20,346,598.72x = 353,946,686,724,283.69
  5. Step 5: Solve for x
    x = 353,946,686,724,283.69/20,346,598.72
  6. Step 6: Final answer
    x = 17,395,865.11

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.