Home / 7,874,019.40-11,811,029.10-2,555,235.40

Finding the Fourth Proportional to 7,874,019.40, 11,811,029.10 and 2,555,235.40

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Solution

The fourth proportional to 7,874,019.40, 11,811,029.10 and 2,555,235.40 is: 3,832,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,019.40 : 11,811,029.10 = 2,555,235.40 : x
  2. Step 2: Convert to fraction form
    7,874,019.40/11,811,029.10 = 2,555,235.40/x
  3. Step 3: Cross multiply
    7,874,019.40x = 11,811,029.10 × 2,555,235.40
  4. Step 4: Simplify right side
    7,874,019.40x = 30,179,959,666,750.14
  5. Step 5: Solve for x
    x = 30,179,959,666,750.14/7,874,019.40
  6. Step 6: Final answer
    x = 3,832,853.10

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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.