Home / 12,976,708.94-19,466,998.60-4,778,720.64

Finding the Fourth Proportional to 12,976,708.94, 19,466,998.60 and 4,778,720.64

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Solution

The fourth proportional to 12,976,708.94, 19,466,998.60 and 4,778,720.64 is: 7,168,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,708.94 : 19,466,998.60 = 4,778,720.64 : x
  2. Step 2: Convert to fraction form
    12,976,708.94/19,466,998.60 = 4,778,720.64/x
  3. Step 3: Cross multiply
    12,976,708.94x = 19,466,998.60 × 4,778,720.64
  4. Step 4: Simplify right side
    12,976,708.94x = 93,027,348,008,671.11
  5. Step 5: Solve for x
    x = 93,027,348,008,671.11/12,976,708.94
  6. Step 6: Final answer
    x = 7,168,793.60

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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.