Home / 8,146,398.63-12,221,171.50-3,097,316.55

Finding the Fourth Proportional to 8,146,398.63, 12,221,171.50 and 3,097,316.55

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Solution

The fourth proportional to 8,146,398.63, 12,221,171.50 and 3,097,316.55 is: 4,646,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146,398.63 : 12,221,171.50 = 3,097,316.55 : x
  2. Step 2: Convert to fraction form
    8,146,398.63/12,221,171.50 = 3,097,316.55/x
  3. Step 3: Cross multiply
    8,146,398.63x = 12,221,171.50 × 3,097,316.55
  4. Step 4: Simplify right side
    8,146,398.63x = 37,852,836,678,489.18
  5. Step 5: Solve for x
    x = 37,852,836,678,489.18/8,146,398.63
  6. Step 6: Final answer
    x = 4,646,573.10

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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.