Home / 18,678,003.70-28,017,005.55-6,561,148.90

Finding the Fourth Proportional to 18,678,003.70, 28,017,005.55 and 6,561,148.90

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Solution

The fourth proportional to 18,678,003.70, 28,017,005.55 and 6,561,148.90 is: 9,841,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,003.70 : 28,017,005.55 = 6,561,148.90 : x
  2. Step 2: Convert to fraction form
    18,678,003.70/28,017,005.55 = 6,561,148.90/x
  3. Step 3: Cross multiply
    18,678,003.70x = 28,017,005.55 × 6,561,148.90
  4. Step 4: Simplify right side
    18,678,003.70x = 183,823,745,145,676.41
  5. Step 5: Solve for x
    x = 183,823,745,145,676.41/18,678,003.70
  6. Step 6: Final answer
    x = 9,841,723.35

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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.