Home / 12,642,258.04-18,966,404.58-4,122,604.60

Finding the Fourth Proportional to 12,642,258.04, 18,966,404.58 and 4,122,604.60

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Solution

The fourth proportional to 12,642,258.04, 18,966,404.58 and 4,122,604.60 is: 6,184,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,258.04 : 18,966,404.58 = 4,122,604.60 : x
  2. Step 2: Convert to fraction form
    12,642,258.04/18,966,404.58 = 4,122,604.60/x
  3. Step 3: Cross multiply
    12,642,258.04x = 18,966,404.58 × 4,122,604.60
  4. Step 4: Simplify right side
    12,642,258.04x = 78,190,986,766,969.06
  5. Step 5: Solve for x
    x = 78,190,986,766,969.06/12,642,258.04
  6. Step 6: Final answer
    x = 6,184,890.90

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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.