Home / 11,808,676.40-17,713,014.60-8,155,511.60

Finding the Fourth Proportional to 11,808,676.40, 17,713,014.60 and 8,155,511.60

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Solution

The fourth proportional to 11,808,676.40, 17,713,014.60 and 8,155,511.60 is: 12,233,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,676.40 : 17,713,014.60 = 8,155,511.60 : x
  2. Step 2: Convert to fraction form
    11,808,676.40/17,713,014.60 = 8,155,511.60/x
  3. Step 3: Cross multiply
    11,808,676.40x = 17,713,014.60 × 8,155,511.60
  4. Step 4: Simplify right side
    11,808,676.40x = 144,458,696,041,269.38
  5. Step 5: Solve for x
    x = 144,458,696,041,269.38/11,808,676.40
  6. Step 6: Final answer
    x = 12,233,267.40

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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.