Home / 7,239,286.40-10,852,017.60-2,689,116.80

Finding the Fourth Proportional to 7,239,286.40, 10,852,017.60 and 2,689,116.80

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Solution

The fourth proportional to 7,239,286.40, 10,852,017.60 and 2,689,116.80 is: 4,031,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,286.40 : 10,852,017.60 = 2,689,116.80 : x
  2. Step 2: Convert to fraction form
    7,239,286.40/10,852,017.60 = 2,689,116.80/x
  3. Step 3: Cross multiply
    7,239,286.40x = 10,852,017.60 × 2,689,116.80
  4. Step 4: Simplify right side
    7,239,286.40x = 29,182,342,842,055.68
  5. Step 5: Solve for x
    x = 29,182,342,842,055.68/7,239,286.40
  6. Step 6: Final answer
    x = 4,031,107.66

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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.