Home / 13,146,665.80-19,719,998.70-4,171,203.40

Finding the Fourth Proportional to 13,146,665.80, 19,719,998.70 and 4,171,203.40

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Solution

The fourth proportional to 13,146,665.80, 19,719,998.70 and 4,171,203.40 is: 6,256,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,665.80 : 19,719,998.70 = 4,171,203.40 : x
  2. Step 2: Convert to fraction form
    13,146,665.80/19,719,998.70 = 4,171,203.40/x
  3. Step 3: Cross multiply
    13,146,665.80x = 19,719,998.70 × 4,171,203.40
  4. Step 4: Simplify right side
    13,146,665.80x = 82,256,125,625,435.58
  5. Step 5: Solve for x
    x = 82,256,125,625,435.58/13,146,665.80
  6. Step 6: Final answer
    x = 6,256,805.10

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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.