Home / 18,654,913.37-25,732,005.88-12,843,606.04

Finding the Fourth Proportional to 18,654,913.37, 25,732,005.88 and 12,843,606.04

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Solution

The fourth proportional to 18,654,913.37, 25,732,005.88 and 12,843,606.04 is: 17,716,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,913.37 : 25,732,005.88 = 12,843,606.04 : x
  2. Step 2: Convert to fraction form
    18,654,913.37/25,732,005.88 = 12,843,606.04/x
  3. Step 3: Cross multiply
    18,654,913.37x = 25,732,005.88 × 12,843,606.04
  4. Step 4: Simplify right side
    18,654,913.37x = 330,491,746,141,683.50
  5. Step 5: Solve for x
    x = 330,491,746,141,683.50/18,654,913.37
  6. Step 6: Final answer
    x = 17,716,069.73

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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.