Home / 13,333,856.50-18,400,722.60-7,222,285

Finding the Fourth Proportional to 13,333,856.50, 18,400,722.60 and 7,222,285

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Solution

The fourth proportional to 13,333,856.50, 18,400,722.60 and 7,222,285 is: 9,966,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,856.50 : 18,400,722.60 = 7,222,285 : x
  2. Step 2: Convert to fraction form
    13,333,856.50/18,400,722.60 = 7,222,285/x
  3. Step 3: Cross multiply
    13,333,856.50x = 18,400,722.60 × 7,222,285
  4. Step 4: Simplify right side
    13,333,856.50x = 132,895,262,823,141.02
  5. Step 5: Solve for x
    x = 132,895,262,823,141.02/13,333,856.50
  6. Step 6: Final answer
    x = 9,966,753.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.