Home / 14,040,453.90-21,062,649.15-5,518,808.40

Finding the Fourth Proportional to 14,040,453.90, 21,062,649.15 and 5,518,808.40

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Solution

The fourth proportional to 14,040,453.90, 21,062,649.15 and 5,518,808.40 is: 8,278,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,453.90 : 21,062,649.15 = 5,518,808.40 : x
  2. Step 2: Convert to fraction form
    14,040,453.90/21,062,649.15 = 5,518,808.40/x
  3. Step 3: Cross multiply
    14,040,453.90x = 21,062,649.15 × 5,518,808.40
  4. Step 4: Simplify right side
    14,040,453.90x = 116,240,725,055,272.86
  5. Step 5: Solve for x
    x = 116,240,725,055,272.86/14,040,453.90
  6. Step 6: Final answer
    x = 8,278,986.27

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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.