Home / 12,456,810.90-18,685,216.35-3,481,362.90

Finding the Fourth Proportional to 12,456,810.90, 18,685,216.35 and 3,481,362.90

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Solution

The fourth proportional to 12,456,810.90, 18,685,216.35 and 3,481,362.90 is: 5,222,044.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,810.90 : 18,685,216.35 = 3,481,362.90 : x
  2. Step 2: Convert to fraction form
    12,456,810.90/18,685,216.35 = 3,481,362.90/x
  3. Step 3: Cross multiply
    12,456,810.90x = 18,685,216.35 × 3,481,362.90
  4. Step 4: Simplify right side
    12,456,810.90x = 65,050,018,979,363.42
  5. Step 5: Solve for x
    x = 65,050,018,979,363.42/12,456,810.90
  6. Step 6: Final answer
    x = 5,222,044.35

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Similar ratio
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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.