Home / 11,808,671.40-17,713,007.10-8,155,506.60

Finding the Fourth Proportional to 11,808,671.40, 17,713,007.10 and 8,155,506.60

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Solution

The fourth proportional to 11,808,671.40, 17,713,007.10 and 8,155,506.60 is: 12,233,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,671.40 : 17,713,007.10 = 8,155,506.60 : x
  2. Step 2: Convert to fraction form
    11,808,671.40/17,713,007.10 = 8,155,506.60/x
  3. Step 3: Cross multiply
    11,808,671.40x = 17,713,007.10 × 8,155,506.60
  4. Step 4: Simplify right side
    11,808,671.40x = 144,458,546,309,896.88
  5. Step 5: Solve for x
    x = 144,458,546,309,896.88/11,808,671.40
  6. Step 6: Final answer
    x = 12,233,259.90

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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.