Home / 7,772,079.96-11,658,897.72-2,380,668.12

Finding the Fourth Proportional to 7,772,079.96, 11,658,897.72 and 2,380,668.12

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Solution

The fourth proportional to 7,772,079.96, 11,658,897.72 and 2,380,668.12 is: 3,571,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772,079.96 : 11,658,897.72 = 2,380,668.12 : x
  2. Step 2: Convert to fraction form
    7,772,079.96/11,658,897.72 = 2,380,668.12/x
  3. Step 3: Cross multiply
    7,772,079.96x = 11,658,897.72 × 2,380,668.12
  4. Step 4: Simplify right side
    7,772,079.96x = 27,755,966,116,344.69
  5. Step 5: Solve for x
    x = 27,755,966,116,344.69/7,772,079.96
  6. Step 6: Final answer
    x = 3,571,240.42

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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.