Home / 12,060,400.60-18,085,071.30-5,325,347.80

Finding the Fourth Proportional to 12,060,400.60, 18,085,071.30 and 5,325,347.80

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Solution

The fourth proportional to 12,060,400.60, 18,085,071.30 and 5,325,347.80 is: 7,985,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060,400.60 : 18,085,071.30 = 5,325,347.80 : x
  2. Step 2: Convert to fraction form
    12,060,400.60/18,085,071.30 = 5,325,347.80/x
  3. Step 3: Cross multiply
    12,060,400.60x = 18,085,071.30 × 5,325,347.80
  4. Step 4: Simplify right side
    12,060,400.60x = 96,309,294,660,298.14
  5. Step 5: Solve for x
    x = 96,309,294,660,298.14/12,060,400.60
  6. Step 6: Final answer
    x = 7,985,580.07

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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.