Home / 8,139,611.80-12,209,417.70-2,460,712.60

Finding the Fourth Proportional to 8,139,611.80, 12,209,417.70 and 2,460,712.60

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Solution

The fourth proportional to 8,139,611.80, 12,209,417.70 and 2,460,712.60 is: 3,691,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,611.80 : 12,209,417.70 = 2,460,712.60 : x
  2. Step 2: Convert to fraction form
    8,139,611.80/12,209,417.70 = 2,460,712.60/x
  3. Step 3: Cross multiply
    8,139,611.80x = 12,209,417.70 × 2,460,712.60
  4. Step 4: Simplify right side
    8,139,611.80x = 30,043,867,973,053.02
  5. Step 5: Solve for x
    x = 30,043,867,973,053.02/8,139,611.80
  6. Step 6: Final answer
    x = 3,691,068.90

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Similar ratio
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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.