Home / 12,657,659.79-17,467,654.37-6,856,441.53

Finding the Fourth Proportional to 12,657,659.79, 17,467,654.37 and 6,856,441.53

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Solution

The fourth proportional to 12,657,659.79, 17,467,654.37 and 6,856,441.53 is: 9,461,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657,659.79 : 17,467,654.37 = 6,856,441.53 : x
  2. Step 2: Convert to fraction form
    12,657,659.79/17,467,654.37 = 6,856,441.53/x
  3. Step 3: Cross multiply
    12,657,659.79x = 17,467,654.37 × 6,856,441.53
  4. Step 4: Simplify right side
    12,657,659.79x = 119,765,950,807,395.78
  5. Step 5: Solve for x
    x = 119,765,950,807,395.78/12,657,659.79
  6. Step 6: Final answer
    x = 9,461,934.74

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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.