Home / 14,079,026.75-19,429,290.20-7,640,498.75

Finding the Fourth Proportional to 14,079,026.75, 19,429,290.20 and 7,640,498.75

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Solution

The fourth proportional to 14,079,026.75, 19,429,290.20 and 7,640,498.75 is: 10,544,014.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079,026.75 : 19,429,290.20 = 7,640,498.75 : x
  2. Step 2: Convert to fraction form
    14,079,026.75/19,429,290.20 = 7,640,498.75/x
  3. Step 3: Cross multiply
    14,079,026.75x = 19,429,290.20 × 7,640,498.75
  4. Step 4: Simplify right side
    14,079,026.75x = 148,449,467,486,487.25
  5. Step 5: Solve for x
    x = 148,449,467,486,487.25/14,079,026.75
  6. Step 6: Final answer
    x = 10,544,014.88

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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.