Home / 8,104,653.70-12,127,456.05-5,978,889.70

Finding the Fourth Proportional to 8,104,653.70, 12,127,456.05 and 5,978,889.70

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Solution

The fourth proportional to 8,104,653.70, 12,127,456.05 and 5,978,889.70 is: 8,946,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104,653.70 : 12,127,456.05 = 5,978,889.70 : x
  2. Step 2: Convert to fraction form
    8,104,653.70/12,127,456.05 = 5,978,889.70/x
  3. Step 3: Cross multiply
    8,104,653.70x = 12,127,456.05 × 5,978,889.70
  4. Step 4: Simplify right side
    8,104,653.70x = 72,508,722,064,547.69
  5. Step 5: Solve for x
    x = 72,508,722,064,547.69/8,104,653.70
  6. Step 6: Final answer
    x = 8,946,554.01

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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.