Home / 13,360,091.40-20,024,390.70-9,990,361.80

Finding the Fourth Proportional to 13,360,091.40, 20,024,390.70 and 9,990,361.80

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Solution

The fourth proportional to 13,360,091.40, 20,024,390.70 and 9,990,361.80 is: 14,973,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360,091.40 : 20,024,390.70 = 9,990,361.80 : x
  2. Step 2: Convert to fraction form
    13,360,091.40/20,024,390.70 = 9,990,361.80/x
  3. Step 3: Cross multiply
    13,360,091.40x = 20,024,390.70 × 9,990,361.80
  4. Step 4: Simplify right side
    13,360,091.40x = 200,050,907,917,555.28
  5. Step 5: Solve for x
    x = 200,050,907,917,555.28/13,360,091.40
  6. Step 6: Final answer
    x = 14,973,767.91

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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.