Home / 47,920,511.06-71,913,109.58-18,770,734.25

Finding the Fourth Proportional to 47,920,511.06, 71,913,109.58 and 18,770,734.25

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Solution

The fourth proportional to 47,920,511.06, 71,913,109.58 and 18,770,734.25 is: 28,168,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920,511.06 : 71,913,109.58 = 18,770,734.25 : x
  2. Step 2: Convert to fraction form
    47,920,511.06/71,913,109.58 = 18,770,734.25/x
  3. Step 3: Cross multiply
    47,920,511.06x = 71,913,109.58 × 18,770,734.25
  4. Step 4: Simplify right side
    47,920,511.06x = 1,349,861,868,563,890
  5. Step 5: Solve for x
    x = 1,349,861,868,563,890/47,920,511.06
  6. Step 6: Final answer
    x = 28,168,770.30

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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.