Home / 16,686,005.40-25,029,008.10-13,102,824.60

Finding the Fourth Proportional to 16,686,005.40, 25,029,008.10 and 13,102,824.60

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Solution

The fourth proportional to 16,686,005.40, 25,029,008.10 and 13,102,824.60 is: 19,654,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686,005.40 : 25,029,008.10 = 13,102,824.60 : x
  2. Step 2: Convert to fraction form
    16,686,005.40/25,029,008.10 = 13,102,824.60/x
  3. Step 3: Cross multiply
    16,686,005.40x = 25,029,008.10 × 13,102,824.60
  4. Step 4: Simplify right side
    16,686,005.40x = 327,950,703,046,279.25
  5. Step 5: Solve for x
    x = 327,950,703,046,279.25/16,686,005.40
  6. Step 6: Final answer
    x = 19,654,236.90

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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.