Home / 18,456,070.40-27,684,105.60-8,220,910.40

Finding the Fourth Proportional to 18,456,070.40, 27,684,105.60 and 8,220,910.40

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Solution

The fourth proportional to 18,456,070.40, 27,684,105.60 and 8,220,910.40 is: 12,331,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,070.40 : 27,684,105.60 = 8,220,910.40 : x
  2. Step 2: Convert to fraction form
    18,456,070.40/27,684,105.60 = 8,220,910.40/x
  3. Step 3: Cross multiply
    18,456,070.40x = 27,684,105.60 × 8,220,910.40
  4. Step 4: Simplify right side
    18,456,070.40x = 227,588,551,641,738.25
  5. Step 5: Solve for x
    x = 227,588,551,641,738.25/18,456,070.40
  6. Step 6: Final answer
    x = 12,331,365.60

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1.5x scale

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.