Home / 19,375,098.72-29,062,116.30-8,445,281.64

Finding the Fourth Proportional to 19,375,098.72, 29,062,116.30 and 8,445,281.64

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Solution

The fourth proportional to 19,375,098.72, 29,062,116.30 and 8,445,281.64 is: 12,667,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375,098.72 : 29,062,116.30 = 8,445,281.64 : x
  2. Step 2: Convert to fraction form
    19,375,098.72/29,062,116.30 = 8,445,281.64/x
  3. Step 3: Cross multiply
    19,375,098.72x = 29,062,116.30 × 8,445,281.64
  4. Step 4: Simplify right side
    19,375,098.72x = 245,437,757,207,934.75
  5. Step 5: Solve for x
    x = 245,437,757,207,934.75/19,375,098.72
  6. Step 6: Final answer
    x = 12,667,690.67

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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.