Home / 15,059,228.73-20,781,868.86-8,183,711.40

Finding the Fourth Proportional to 15,059,228.73, 20,781,868.86 and 8,183,711.40

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Solution

The fourth proportional to 15,059,228.73, 20,781,868.86 and 8,183,711.40 is: 11,293,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059,228.73 : 20,781,868.86 = 8,183,711.40 : x
  2. Step 2: Convert to fraction form
    15,059,228.73/20,781,868.86 = 8,183,711.40/x
  3. Step 3: Cross multiply
    15,059,228.73x = 20,781,868.86 × 8,183,711.40
  4. Step 4: Simplify right side
    15,059,228.73x = 170,072,817,102,887
  5. Step 5: Solve for x
    x = 170,072,817,102,887/15,059,228.73
  6. Step 6: Final answer
    x = 11,293,594.12

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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.