Home / 47,920,509.56-71,913,107.32-18,770,732.75

Finding the Fourth Proportional to 47,920,509.56, 71,913,107.32 and 18,770,732.75

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Solution

The fourth proportional to 47,920,509.56, 71,913,107.32 and 18,770,732.75 is: 28,168,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920,509.56 : 71,913,107.32 = 18,770,732.75 : x
  2. Step 2: Convert to fraction form
    47,920,509.56/71,913,107.32 = 18,770,732.75/x
  3. Step 3: Cross multiply
    47,920,509.56x = 71,913,107.32 × 18,770,732.75
  4. Step 4: Simplify right side
    47,920,509.56x = 1,349,861,718,319,296.25
  5. Step 5: Solve for x
    x = 1,349,861,718,319,296.25/47,920,509.56
  6. Step 6: Final answer
    x = 28,168,768.05

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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.