Home / 6,630,331.60-9,144,398.86-3,911,453.20

Finding the Fourth Proportional to 6,630,331.60, 9,144,398.86 and 3,911,453.20

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Solution

The fourth proportional to 6,630,331.60, 9,144,398.86 and 3,911,453.20 is: 5,394,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630,331.60 : 9,144,398.86 = 3,911,453.20 : x
  2. Step 2: Convert to fraction form
    6,630,331.60/9,144,398.86 = 3,911,453.20/x
  3. Step 3: Cross multiply
    6,630,331.60x = 9,144,398.86 × 3,911,453.20
  4. Step 4: Simplify right side
    6,630,331.60x = 35,767,888,183,023.35
  5. Step 5: Solve for x
    x = 35,767,888,183,023.35/6,630,331.60
  6. Step 6: Final answer
    x = 5,394,585.12

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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.