Home / 15,833,785.88-21,848,783.14-8,864,856.92

Finding the Fourth Proportional to 15,833,785.88, 21,848,783.14 and 8,864,856.92

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Solution

The fourth proportional to 15,833,785.88, 21,848,783.14 and 8,864,856.92 is: 12,232,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833,785.88 : 21,848,783.14 = 8,864,856.92 : x
  2. Step 2: Convert to fraction form
    15,833,785.88/21,848,783.14 = 8,864,856.92/x
  3. Step 3: Cross multiply
    15,833,785.88x = 21,848,783.14 × 8,864,856.92
  4. Step 4: Simplify right side
    15,833,785.88x = 193,686,336,412,208.34
  5. Step 5: Solve for x
    x = 193,686,336,412,208.34/15,833,785.88
  6. Step 6: Final answer
    x = 12,232,471.62

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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.