Home / 47,920,599.35-71,913,241.86-18,770,822.69

Finding the Fourth Proportional to 47,920,599.35, 71,913,241.86 and 18,770,822.69

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Solution

The fourth proportional to 47,920,599.35, 71,913,241.86 and 18,770,822.69 is: 28,168,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,920,599.35 : 71,913,241.86 = 18,770,822.69 : x
  2. Step 2: Convert to fraction form
    47,920,599.35/71,913,241.86 = 18,770,822.69/x
  3. Step 3: Cross multiply
    47,920,599.35x = 71,913,241.86 × 18,770,822.69
  4. Step 4: Simplify right side
    47,920,599.35x = 1,349,870,712,017,146
  5. Step 5: Solve for x
    x = 1,349,870,712,017,146/47,920,599.35
  6. Step 6: Final answer
    x = 28,168,902.94

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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.