Home / 12,657,662.78-17,467,658.52-6,856,444.52

Finding the Fourth Proportional to 12,657,662.78, 17,467,658.52 and 6,856,444.52

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Solution

The fourth proportional to 12,657,662.78, 17,467,658.52 and 6,856,444.52 is: 9,461,938.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,662.78 : 17,467,658.52 = 6,856,444.52 : x
  2. Step 2: Convert to fraction form
    12,657,662.78/17,467,658.52 = 6,856,444.52/x
  3. Step 3: Cross multiply
    12,657,662.78x = 17,467,658.52 × 6,856,444.52
  4. Step 4: Simplify right side
    12,657,662.78x = 119,766,031,536,685.30
  5. Step 5: Solve for x
    x = 119,766,031,536,685.30/12,657,662.78
  6. Step 6: Final answer
    x = 9,461,938.88

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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.