Home / 12,790,508.70-19,157,769.45-11,110,892.70

Finding the Fourth Proportional to 12,790,508.70, 19,157,769.45 and 11,110,892.70

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Solution

The fourth proportional to 12,790,508.70, 19,157,769.45 and 11,110,892.70 is: 16,642,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790,508.70 : 19,157,769.45 = 11,110,892.70 : x
  2. Step 2: Convert to fraction form
    12,790,508.70/19,157,769.45 = 11,110,892.70/x
  3. Step 3: Cross multiply
    12,790,508.70x = 19,157,769.45 × 11,110,892.70
  4. Step 4: Simplify right side
    12,790,508.70x = 212,859,920,730,288
  5. Step 5: Solve for x
    x = 212,859,920,730,288/12,790,508.70
  6. Step 6: Final answer
    x = 16,642,021.50

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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.