Home / 30,630,322.20-42,269,297.22-16,691,798.40

Finding the Fourth Proportional to 30,630,322.20, 42,269,297.22 and 16,691,798.40

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Solution

The fourth proportional to 30,630,322.20, 42,269,297.22 and 16,691,798.40 is: 23,034,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630,322.20 : 42,269,297.22 = 16,691,798.40 : x
  2. Step 2: Convert to fraction form
    30,630,322.20/42,269,297.22 = 16,691,798.40/x
  3. Step 3: Cross multiply
    30,630,322.20x = 42,269,297.22 × 16,691,798.40
  4. Step 4: Simplify right side
    30,630,322.20x = 705,550,587,705,920.50
  5. Step 5: Solve for x
    x = 705,550,587,705,920.50/30,630,322.20
  6. Step 6: Final answer
    x = 23,034,383.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.