Home / 16,186,013.40-24,279,020.10-12,572,214.60

Finding the Fourth Proportional to 16,186,013.40, 24,279,020.10 and 12,572,214.60

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Solution

The fourth proportional to 16,186,013.40, 24,279,020.10 and 12,572,214.60 is: 18,858,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186,013.40 : 24,279,020.10 = 12,572,214.60 : x
  2. Step 2: Convert to fraction form
    16,186,013.40/24,279,020.10 = 12,572,214.60/x
  3. Step 3: Cross multiply
    16,186,013.40x = 24,279,020.10 × 12,572,214.60
  4. Step 4: Simplify right side
    16,186,013.40x = 305,241,050,974,913.50
  5. Step 5: Solve for x
    x = 305,241,050,974,913.50/16,186,013.40
  6. Step 6: Final answer
    x = 18,858,321.90

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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.