Home / 11,972,014.20-17,958,021.30-4,784,657.40

Finding the Fourth Proportional to 11,972,014.20, 17,958,021.30 and 4,784,657.40

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Solution

The fourth proportional to 11,972,014.20, 17,958,021.30 and 4,784,657.40 is: 7,176,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972,014.20 : 17,958,021.30 = 4,784,657.40 : x
  2. Step 2: Convert to fraction form
    11,972,014.20/17,958,021.30 = 4,784,657.40/x
  3. Step 3: Cross multiply
    11,972,014.20x = 17,958,021.30 × 4,784,657.40
  4. Step 4: Simplify right side
    11,972,014.20x = 85,922,979,502,402.62
  5. Step 5: Solve for x
    x = 85,922,979,502,402.62/11,972,014.20
  6. Step 6: Final answer
    x = 7,176,986.10

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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.