Home / 12,060,459.60-18,085,159.80-5,325,406.80

Finding the Fourth Proportional to 12,060,459.60, 18,085,159.80 and 5,325,406.80

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Solution

The fourth proportional to 12,060,459.60, 18,085,159.80 and 5,325,406.80 is: 7,985,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060,459.60 : 18,085,159.80 = 5,325,406.80 : x
  2. Step 2: Convert to fraction form
    12,060,459.60/18,085,159.80 = 5,325,406.80/x
  3. Step 3: Cross multiply
    12,060,459.60x = 18,085,159.80 × 5,325,406.80
  4. Step 4: Simplify right side
    12,060,459.60x = 96,310,832,978,006.64
  5. Step 5: Solve for x
    x = 96,310,832,978,006.64/12,060,459.60
  6. Step 6: Final answer
    x = 7,985,668.55

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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.