Home / 12,571,472.70-18,829,215.45-10,891,856.70

Finding the Fourth Proportional to 12,571,472.70, 18,829,215.45 and 10,891,856.70

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Solution

The fourth proportional to 12,571,472.70, 18,829,215.45 and 10,891,856.70 is: 16,313,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,472.70 : 18,829,215.45 = 10,891,856.70 : x
  2. Step 2: Convert to fraction form
    12,571,472.70/18,829,215.45 = 10,891,856.70/x
  3. Step 3: Cross multiply
    12,571,472.70x = 18,829,215.45 × 10,891,856.70
  4. Step 4: Simplify right side
    12,571,472.70x = 205,085,116,454,826
  5. Step 5: Solve for x
    x = 205,085,116,454,826/12,571,472.70
  6. Step 6: Final answer
    x = 16,313,531.54

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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.