Home / 13,288,847.18-19,860,442.82-9,702,167.18

Finding the Fourth Proportional to 13,288,847.18, 19,860,442.82 and 9,702,167.18

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Solution

The fourth proportional to 13,288,847.18, 19,860,442.82 and 9,702,167.18 is: 14,500,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,847.18 : 19,860,442.82 = 9,702,167.18 : x
  2. Step 2: Convert to fraction form
    13,288,847.18/19,860,442.82 = 9,702,167.18/x
  3. Step 3: Cross multiply
    13,288,847.18x = 19,860,442.82 × 9,702,167.18
  4. Step 4: Simplify right side
    13,288,847.18x = 192,689,336,397,040.75
  5. Step 5: Solve for x
    x = 192,689,336,397,040.75/13,288,847.18
  6. Step 6: Final answer
    x = 14,500,079.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.