Home / 10,867,416.60-16,287,128.10-8,330,496.60

Finding the Fourth Proportional to 10,867,416.60, 16,287,128.10 and 8,330,496.60

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Solution

The fourth proportional to 10,867,416.60, 16,287,128.10 and 8,330,496.60 is: 12,485,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,416.60 : 16,287,128.10 = 8,330,496.60 : x
  2. Step 2: Convert to fraction form
    10,867,416.60/16,287,128.10 = 8,330,496.60/x
  3. Step 3: Cross multiply
    10,867,416.60x = 16,287,128.10 × 8,330,496.60
  4. Step 4: Simplify right side
    10,867,416.60x = 135,679,865,260,814.45
  5. Step 5: Solve for x
    x = 135,679,865,260,814.45/10,867,416.60
  6. Step 6: Final answer
    x = 12,485,015.55

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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.