Home / 13,935,513.90-20,895,135.21-5,405,883.42

Finding the Fourth Proportional to 13,935,513.90, 20,895,135.21 and 5,405,883.42

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Solution

The fourth proportional to 13,935,513.90, 20,895,135.21 and 5,405,883.42 is: 8,105,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,513.90 : 20,895,135.21 = 5,405,883.42 : x
  2. Step 2: Convert to fraction form
    13,935,513.90/20,895,135.21 = 5,405,883.42/x
  3. Step 3: Cross multiply
    13,935,513.90x = 20,895,135.21 × 5,405,883.42
  4. Step 4: Simplify right side
    13,935,513.90x = 112,956,664,990,397.22
  5. Step 5: Solve for x
    x = 112,956,664,990,397.22/13,935,513.90
  6. Step 6: Final answer
    x = 8,105,669.14

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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.