Home / 8,130,698.28-12,196,113.93-2,665,713.33

Finding the Fourth Proportional to 8,130,698.28, 12,196,113.93 and 2,665,713.33

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Solution

The fourth proportional to 8,130,698.28, 12,196,113.93 and 2,665,713.33 is: 3,998,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130,698.28 : 12,196,113.93 = 2,665,713.33 : x
  2. Step 2: Convert to fraction form
    8,130,698.28/12,196,113.93 = 2,665,713.33/x
  3. Step 3: Cross multiply
    8,130,698.28x = 12,196,113.93 × 2,665,713.33
  4. Step 4: Simplify right side
    8,130,698.28x = 32,511,343,477,399.69
  5. Step 5: Solve for x
    x = 32,511,343,477,399.69/8,130,698.28
  6. Step 6: Final answer
    x = 3,998,591.80

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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.