Home / 7,136,520.76-9,848,407.87-3,873,335.11

Finding the Fourth Proportional to 7,136,520.76, 9,848,407.87 and 3,873,335.11

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Solution

The fourth proportional to 7,136,520.76, 9,848,407.87 and 3,873,335.11 is: 5,345,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,520.76 : 9,848,407.87 = 3,873,335.11 : x
  2. Step 2: Convert to fraction form
    7,136,520.76/9,848,407.87 = 3,873,335.11/x
  3. Step 3: Cross multiply
    7,136,520.76x = 9,848,407.87 × 3,873,335.11
  4. Step 4: Simplify right side
    7,136,520.76x = 38,146,183,985,725.66
  5. Step 5: Solve for x
    x = 38,146,183,985,725.66/7,136,520.76
  6. Step 6: Final answer
    x = 5,345,207.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.