Home / 8,173,240.58-12,240,964.64-7,889,805.38

Finding the Fourth Proportional to 8,173,240.58, 12,240,964.64 and 7,889,805.38

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Solution

The fourth proportional to 8,173,240.58, 12,240,964.64 and 7,889,805.38 is: 11,816,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,240.58 : 12,240,964.64 = 7,889,805.38 : x
  2. Step 2: Convert to fraction form
    8,173,240.58/12,240,964.64 = 7,889,805.38/x
  3. Step 3: Cross multiply
    8,173,240.58x = 12,240,964.64 × 7,889,805.38
  4. Step 4: Simplify right side
    8,173,240.58x = 96,578,828,673,061.77
  5. Step 5: Solve for x
    x = 96,578,828,673,061.77/8,173,240.58
  6. Step 6: Final answer
    x = 11,816,467.13

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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.