Home / 11,852,572.40-17,778,858.60-8,026,197.20

Finding the Fourth Proportional to 11,852,572.40, 17,778,858.60 and 8,026,197.20

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Solution

The fourth proportional to 11,852,572.40, 17,778,858.60 and 8,026,197.20 is: 12,039,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852,572.40 : 17,778,858.60 = 8,026,197.20 : x
  2. Step 2: Convert to fraction form
    11,852,572.40/17,778,858.60 = 8,026,197.20/x
  3. Step 3: Cross multiply
    11,852,572.40x = 17,778,858.60 × 8,026,197.20
  4. Step 4: Simplify right side
    11,852,572.40x = 142,696,625,114,515.94
  5. Step 5: Solve for x
    x = 142,696,625,114,515.94/11,852,572.40
  6. Step 6: Final answer
    x = 12,039,295.80

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Similar ratio
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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.