Home / 12,594,885.20-18,864,334.20-10,915,269.20

Finding the Fourth Proportional to 12,594,885.20, 18,864,334.20 and 10,915,269.20

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Solution

The fourth proportional to 12,594,885.20, 18,864,334.20 and 10,915,269.20 is: 16,348,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594,885.20 : 18,864,334.20 = 10,915,269.20 : x
  2. Step 2: Convert to fraction form
    12,594,885.20/18,864,334.20 = 10,915,269.20/x
  3. Step 3: Cross multiply
    12,594,885.20x = 18,864,334.20 × 10,915,269.20
  4. Step 4: Simplify right side
    12,594,885.20x = 205,909,286,071,766.62
  5. Step 5: Solve for x
    x = 205,909,286,071,766.62/12,594,885.20
  6. Step 6: Final answer
    x = 16,348,643.34

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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.