Home / 10,906,856.40-16,360,284.60-8,781,092.40

Finding the Fourth Proportional to 10,906,856.40, 16,360,284.60 and 8,781,092.40

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Solution

The fourth proportional to 10,906,856.40, 16,360,284.60 and 8,781,092.40 is: 13,171,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906,856.40 : 16,360,284.60 = 8,781,092.40 : x
  2. Step 2: Convert to fraction form
    10,906,856.40/16,360,284.60 = 8,781,092.40/x
  3. Step 3: Cross multiply
    10,906,856.40x = 16,360,284.60 × 8,781,092.40
  4. Step 4: Simplify right side
    10,906,856.40x = 143,661,170,762,897.03
  5. Step 5: Solve for x
    x = 143,661,170,762,897.03/10,906,856.40
  6. Step 6: Final answer
    x = 13,171,638.60

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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.