Home / 10,919,378.34-16,379,072.97-3,730,982.72

Finding the Fourth Proportional to 10,919,378.34, 16,379,072.97 and 3,730,982.72

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Solution

The fourth proportional to 10,919,378.34, 16,379,072.97 and 3,730,982.72 is: 5,596,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919,378.34 : 16,379,072.97 = 3,730,982.72 : x
  2. Step 2: Convert to fraction form
    10,919,378.34/16,379,072.97 = 3,730,982.72/x
  3. Step 3: Cross multiply
    10,919,378.34x = 16,379,072.97 × 3,730,982.72
  4. Step 4: Simplify right side
    10,919,378.34x = 61,110,038,138,793.71
  5. Step 5: Solve for x
    x = 61,110,038,138,793.71/10,919,378.34
  6. Step 6: Final answer
    x = 5,596,475.94

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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.