Home / 11,992,835.70-17,974,491.30-8,154,650.70

Finding the Fourth Proportional to 11,992,835.70, 17,974,491.30 and 8,154,650.70

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Solution

The fourth proportional to 11,992,835.70, 17,974,491.30 and 8,154,650.70 is: 12,221,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992,835.70 : 17,974,491.30 = 8,154,650.70 : x
  2. Step 2: Convert to fraction form
    11,992,835.70/17,974,491.30 = 8,154,650.70/x
  3. Step 3: Cross multiply
    11,992,835.70x = 17,974,491.30 × 8,154,650.70
  4. Step 4: Simplify right side
    11,992,835.70x = 146,575,698,061,688.91
  5. Step 5: Solve for x
    x = 146,575,698,061,688.91/11,992,835.70
  6. Step 6: Final answer
    x = 12,221,938.31

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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.