Home / 10,906,164.60-16,359,246.90-7,867,109.40

Finding the Fourth Proportional to 10,906,164.60, 16,359,246.90 and 7,867,109.40

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Solution

The fourth proportional to 10,906,164.60, 16,359,246.90 and 7,867,109.40 is: 11,800,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906,164.60 : 16,359,246.90 = 7,867,109.40 : x
  2. Step 2: Convert to fraction form
    10,906,164.60/16,359,246.90 = 7,867,109.40/x
  3. Step 3: Cross multiply
    10,906,164.60x = 16,359,246.90 × 7,867,109.40
  4. Step 4: Simplify right side
    10,906,164.60x = 128,699,985,063,910.88
  5. Step 5: Solve for x
    x = 128,699,985,063,910.88/10,906,164.60
  6. Step 6: Final answer
    x = 11,800,664.10

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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.