Home / 15,238,648.32-21,035,893.92-9,359,234.88

Finding the Fourth Proportional to 15,238,648.32, 21,035,893.92 and 9,359,234.88

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Solution

The fourth proportional to 15,238,648.32, 21,035,893.92 and 9,359,234.88 is: 12,919,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,648.32 : 21,035,893.92 = 9,359,234.88 : x
  2. Step 2: Convert to fraction form
    15,238,648.32/21,035,893.92 = 9,359,234.88/x
  3. Step 3: Cross multiply
    15,238,648.32x = 21,035,893.92 × 9,359,234.88
  4. Step 4: Simplify right side
    15,238,648.32x = 196,879,872,108,043.97
  5. Step 5: Solve for x
    x = 196,879,872,108,043.97/15,238,648.32
  6. Step 6: Final answer
    x = 12,919,772.67

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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.