Home / 14,479,731.64-19,985,509.82-8,288,367.48

Finding the Fourth Proportional to 14,479,731.64, 19,985,509.82 and 8,288,367.48

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Solution

The fourth proportional to 14,479,731.64, 19,985,509.82 and 8,288,367.48 is: 11,439,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479,731.64 : 19,985,509.82 = 8,288,367.48 : x
  2. Step 2: Convert to fraction form
    14,479,731.64/19,985,509.82 = 8,288,367.48/x
  3. Step 3: Cross multiply
    14,479,731.64x = 19,985,509.82 × 8,288,367.48
  4. Step 4: Simplify right side
    14,479,731.64x = 165,647,249,663,308.66
  5. Step 5: Solve for x
    x = 165,647,249,663,308.66/14,479,731.64
  6. Step 6: Final answer
    x = 11,439,939.20

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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.