Home / 16,640,331.60-24,911,508.60-12,399,301.20

Finding the Fourth Proportional to 16,640,331.60, 24,911,508.60 and 12,399,301.20

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Solution

The fourth proportional to 16,640,331.60, 24,911,508.60 and 12,399,301.20 is: 18,562,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640,331.60 : 24,911,508.60 = 12,399,301.20 : x
  2. Step 2: Convert to fraction form
    16,640,331.60/24,911,508.60 = 12,399,301.20/x
  3. Step 3: Cross multiply
    16,640,331.60x = 24,911,508.60 × 12,399,301.20
  4. Step 4: Simplify right side
    16,640,331.60x = 308,885,298,477,790.31
  5. Step 5: Solve for x
    x = 308,885,298,477,790.31/16,640,331.60
  6. Step 6: Final answer
    x = 18,562,448.51

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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.