Home / 12,117,905.67-16,722,125.88-6,610,952.90

Finding the Fourth Proportional to 12,117,905.67, 16,722,125.88 and 6,610,952.90

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Solution

The fourth proportional to 12,117,905.67, 16,722,125.88 and 6,610,952.90 is: 9,122,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,905.67 : 16,722,125.88 = 6,610,952.90 : x
  2. Step 2: Convert to fraction form
    12,117,905.67/16,722,125.88 = 6,610,952.90/x
  3. Step 3: Cross multiply
    12,117,905.67x = 16,722,125.88 × 6,610,952.90
  4. Step 4: Simplify right side
    12,117,905.67x = 110,549,186,496,940.42
  5. Step 5: Solve for x
    x = 110,549,186,496,940.42/12,117,905.67
  6. Step 6: Final answer
    x = 9,122,796.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.