Home / 25,378,874.10-35,022,890.69-13,776,445.44

Finding the Fourth Proportional to 25,378,874.10, 35,022,890.69 and 13,776,445.44

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Solution

The fourth proportional to 25,378,874.10, 35,022,890.69 and 13,776,445.44 is: 19,011,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378,874.10 : 35,022,890.69 = 13,776,445.44 : x
  2. Step 2: Convert to fraction form
    25,378,874.10/35,022,890.69 = 13,776,445.44/x
  3. Step 3: Cross multiply
    25,378,874.10x = 35,022,890.69 × 13,776,445.44
  4. Step 4: Simplify right side
    25,378,874.10x = 482,490,942,672,986.75
  5. Step 5: Solve for x
    x = 482,490,942,672,986.75/25,378,874.10
  6. Step 6: Final answer
    x = 19,011,518.82

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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.