Home / 14,413,676.63-19,890,872.95-7,887,306.88

Finding the Fourth Proportional to 14,413,676.63, 19,890,872.95 and 7,887,306.88

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Solution

The fourth proportional to 14,413,676.63, 19,890,872.95 and 7,887,306.88 is: 10,884,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413,676.63 : 19,890,872.95 = 7,887,306.88 : x
  2. Step 2: Convert to fraction form
    14,413,676.63/19,890,872.95 = 7,887,306.88/x
  3. Step 3: Cross multiply
    14,413,676.63x = 19,890,872.95 × 7,887,306.88
  4. Step 4: Simplify right side
    14,413,676.63x = 156,885,419,067,740.88
  5. Step 5: Solve for x
    x = 156,885,419,067,740.88/14,413,676.63
  6. Step 6: Final answer
    x = 10,884,483.06

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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.