Home / 8,219,963.40-12,330,722.70-2,236,331.40

Finding the Fourth Proportional to 8,219,963.40, 12,330,722.70 and 2,236,331.40

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Solution

The fourth proportional to 8,219,963.40, 12,330,722.70 and 2,236,331.40 is: 3,354,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,963.40 : 12,330,722.70 = 2,236,331.40 : x
  2. Step 2: Convert to fraction form
    8,219,963.40/12,330,722.70 = 2,236,331.40/x
  3. Step 3: Cross multiply
    8,219,963.40x = 12,330,722.70 × 2,236,331.40
  4. Step 4: Simplify right side
    8,219,963.40x = 27,575,582,358,702.78
  5. Step 5: Solve for x
    x = 27,575,582,358,702.78/8,219,963.40
  6. Step 6: Final answer
    x = 3,354,708.65

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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.