Home / 47,920,597.35-71,913,238.86-18,770,820.69

Finding the Fourth Proportional to 47,920,597.35, 71,913,238.86 and 18,770,820.69

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Solution

The fourth proportional to 47,920,597.35, 71,913,238.86 and 18,770,820.69 is: 28,168,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920,597.35 : 71,913,238.86 = 18,770,820.69 : x
  2. Step 2: Convert to fraction form
    47,920,597.35/71,913,238.86 = 18,770,820.69/x
  3. Step 3: Cross multiply
    47,920,597.35x = 71,913,238.86 × 18,770,820.69
  4. Step 4: Simplify right side
    47,920,597.35x = 1,349,870,511,878,200
  5. Step 5: Solve for x
    x = 1,349,870,511,878,200/47,920,597.35
  6. Step 6: Final answer
    x = 28,168,899.94

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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.