Home / 12,259,929.60-18,389,894.40-4,170,216.60

Finding the Fourth Proportional to 12,259,929.60, 18,389,894.40 and 4,170,216.60

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Solution

The fourth proportional to 12,259,929.60, 18,389,894.40 and 4,170,216.60 is: 6,255,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,929.60 : 18,389,894.40 = 4,170,216.60 : x
  2. Step 2: Convert to fraction form
    12,259,929.60/18,389,894.40 = 4,170,216.60/x
  3. Step 3: Cross multiply
    12,259,929.60x = 18,389,894.40 × 4,170,216.60
  4. Step 4: Simplify right side
    12,259,929.60x = 76,689,842,899,127.03
  5. Step 5: Solve for x
    x = 76,689,842,899,127.03/12,259,929.60
  6. Step 6: Final answer
    x = 6,255,324.90

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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.