Home / 12,298,287.60-18,447,431.40-6,629,583.60

Finding the Fourth Proportional to 12,298,287.60, 18,447,431.40 and 6,629,583.60

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Solution

The fourth proportional to 12,298,287.60, 18,447,431.40 and 6,629,583.60 is: 9,944,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,287.60 : 18,447,431.40 = 6,629,583.60 : x
  2. Step 2: Convert to fraction form
    12,298,287.60/18,447,431.40 = 6,629,583.60/x
  3. Step 3: Cross multiply
    12,298,287.60x = 18,447,431.40 × 6,629,583.60
  4. Step 4: Simplify right side
    12,298,287.60x = 122,298,788,671,565.02
  5. Step 5: Solve for x
    x = 122,298,788,671,565.02/12,298,287.60
  6. Step 6: Final answer
    x = 9,944,375.40

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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.