Home / 7,390,961.40-11,092,662.90-3,607,678.20

Finding the Fourth Proportional to 7,390,961.40, 11,092,662.90 and 3,607,678.20

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Solution

The fourth proportional to 7,390,961.40, 11,092,662.90 and 3,607,678.20 is: 5,414,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390,961.40 : 11,092,662.90 = 3,607,678.20 : x
  2. Step 2: Convert to fraction form
    7,390,961.40/11,092,662.90 = 3,607,678.20/x
  3. Step 3: Cross multiply
    7,390,961.40x = 11,092,662.90 × 3,607,678.20
  4. Step 4: Simplify right side
    7,390,961.40x = 40,018,758,124,278.78
  5. Step 5: Solve for x
    x = 40,018,758,124,278.78/7,390,961.40
  6. Step 6: Final answer
    x = 5,414,553.80

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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.