Home / 12,982,005.80-19,474,851.90-4,005,621.80

Finding the Fourth Proportional to 12,982,005.80, 19,474,851.90 and 4,005,621.80

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Solution

The fourth proportional to 12,982,005.80, 19,474,851.90 and 4,005,621.80 is: 6,009,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,005.80 : 19,474,851.90 = 4,005,621.80 : x
  2. Step 2: Convert to fraction form
    12,982,005.80/19,474,851.90 = 4,005,621.80/x
  3. Step 3: Cross multiply
    12,982,005.80x = 19,474,851.90 × 4,005,621.80
  4. Step 4: Simplify right side
    12,982,005.80x = 78,008,891,322,411.41
  5. Step 5: Solve for x
    x = 78,008,891,322,411.41/12,982,005.80
  6. Step 6: Final answer
    x = 6,009,001.42

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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.