Home / 20,323,684.62-30,480,645.69-9,383,362.76

Finding the Fourth Proportional to 20,323,684.62, 30,480,645.69 and 9,383,362.76

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Solution

The fourth proportional to 20,323,684.62, 30,480,645.69 and 9,383,362.76 is: 14,072,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,684.62 : 30,480,645.69 = 9,383,362.76 : x
  2. Step 2: Convert to fraction form
    20,323,684.62/30,480,645.69 = 9,383,362.76/x
  3. Step 3: Cross multiply
    20,323,684.62x = 30,480,645.69 × 9,383,362.76
  4. Step 4: Simplify right side
    20,323,684.62x = 286,010,955,744,502.12
  5. Step 5: Solve for x
    x = 286,010,955,744,502.12/20,323,684.62
  6. Step 6: Final answer
    x = 14,072,790.50

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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.