Home / 12,214,974.60-18,336,458.70-7,169,128.20

Finding the Fourth Proportional to 12,214,974.60, 18,336,458.70 and 7,169,128.20

Calculator

Solution

The fourth proportional to 12,214,974.60, 18,336,458.70 and 7,169,128.20 is: 10,761,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214,974.60 : 18,336,458.70 = 7,169,128.20 : x
  2. Step 2: Convert to fraction form
    12,214,974.60/18,336,458.70 = 7,169,128.20/x
  3. Step 3: Cross multiply
    12,214,974.60x = 18,336,458.70 × 7,169,128.20
  4. Step 4: Simplify right side
    12,214,974.60x = 131,456,423,154,305.34
  5. Step 5: Solve for x
    x = 131,456,423,154,305.34/12,214,974.60
  6. Step 6: Final answer
    x = 10,761,907.20

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.