Home / 7,988,897.30-11,989,250.85-5,292,326.30

Finding the Fourth Proportional to 7,988,897.30, 11,989,250.85 and 5,292,326.30

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Solution

The fourth proportional to 7,988,897.30, 11,989,250.85 and 5,292,326.30 is: 7,942,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,897.30 : 11,989,250.85 = 5,292,326.30 : x
  2. Step 2: Convert to fraction form
    7,988,897.30/11,989,250.85 = 5,292,326.30/x
  3. Step 3: Cross multiply
    7,988,897.30x = 11,989,250.85 × 5,292,326.30
  4. Step 4: Simplify right side
    7,988,897.30x = 63,451,027,590,752.35
  5. Step 5: Solve for x
    x = 63,451,027,590,752.35/7,988,897.30
  6. Step 6: Final answer
    x = 7,942,401.21

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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.