Home / 12,997,994.64-19,488,490.20-12,284,261.52

Finding the Fourth Proportional to 12,997,994.64, 19,488,490.20 and 12,284,261.52

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Solution

The fourth proportional to 12,997,994.64, 19,488,490.20 and 12,284,261.52 is: 18,418,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,994.64 : 19,488,490.20 = 12,284,261.52 : x
  2. Step 2: Convert to fraction form
    12,997,994.64/19,488,490.20 = 12,284,261.52/x
  3. Step 3: Cross multiply
    12,997,994.64x = 19,488,490.20 × 12,284,261.52
  4. Step 4: Simplify right side
    12,997,994.64x = 239,401,710,246,757.09
  5. Step 5: Solve for x
    x = 239,401,710,246,757.09/12,997,994.64
  6. Step 6: Final answer
    x = 18,418,357.36

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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.