Home / 47,589,117.86-71,383,923.12-21,663,288.21

Finding the Fourth Proportional to 47,589,117.86, 71,383,923.12 and 21,663,288.21

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Solution

The fourth proportional to 47,589,117.86, 71,383,923.12 and 21,663,288.21 is: 32,495,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,589,117.86 : 71,383,923.12 = 21,663,288.21 : x
  2. Step 2: Convert to fraction form
    47,589,117.86/71,383,923.12 = 21,663,288.21/x
  3. Step 3: Cross multiply
    47,589,117.86x = 71,383,923.12 × 21,663,288.21
  4. Step 4: Simplify right side
    47,589,117.86x = 1,546,410,500,457,969.50
  5. Step 5: Solve for x
    x = 1,546,410,500,457,969.50/47,589,117.86
  6. Step 6: Final answer
    x = 32,495,044.45

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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.