Home / 6,653,431.90-9,980,147.85-3,630,123.10

Finding the Fourth Proportional to 6,653,431.90, 9,980,147.85 and 3,630,123.10

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Solution

The fourth proportional to 6,653,431.90, 9,980,147.85 and 3,630,123.10 is: 5,445,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653,431.90 : 9,980,147.85 = 3,630,123.10 : x
  2. Step 2: Convert to fraction form
    6,653,431.90/9,980,147.85 = 3,630,123.10/x
  3. Step 3: Cross multiply
    6,653,431.90x = 9,980,147.85 × 3,630,123.10
  4. Step 4: Simplify right side
    6,653,431.90x = 36,229,165,251,700.34
  5. Step 5: Solve for x
    x = 36,229,165,251,700.34/6,653,431.90
  6. Step 6: Final answer
    x = 5,445,184.65

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Double scale
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Similar ratio
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1.5x scale

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.