Home / 51,616,138.64-77,422,108.04-12,753,611.88

Finding the Fourth Proportional to 51,616,138.64, 77,422,108.04 and 12,753,611.88

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Solution

The fourth proportional to 51,616,138.64, 77,422,108.04 and 12,753,611.88 is: 19,129,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,616,138.64 : 77,422,108.04 = 12,753,611.88 : x
  2. Step 2: Convert to fraction form
    51,616,138.64/77,422,108.04 = 12,753,611.88/x
  3. Step 3: Cross multiply
    51,616,138.64x = 77,422,108.04 × 12,753,611.88
  4. Step 4: Simplify right side
    51,616,138.64x = 987,411,516,873,587.62
  5. Step 5: Solve for x
    x = 987,411,516,873,587.62/51,616,138.64
  6. Step 6: Final answer
    x = 19,129,898.96

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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.