Home / 8,378,043.40-12,558,770.70-4,114,721.80

Finding the Fourth Proportional to 8,378,043.40, 12,558,770.70 and 4,114,721.80

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Solution

The fourth proportional to 8,378,043.40, 12,558,770.70 and 4,114,721.80 is: 6,168,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,043.40 : 12,558,770.70 = 4,114,721.80 : x
  2. Step 2: Convert to fraction form
    8,378,043.40/12,558,770.70 = 4,114,721.80/x
  3. Step 3: Cross multiply
    8,378,043.40x = 12,558,770.70 × 4,114,721.80
  4. Step 4: Simplify right side
    8,378,043.40x = 51,675,847,580,491.26
  5. Step 5: Solve for x
    x = 51,675,847,580,491.26/8,378,043.40
  6. Step 6: Final answer
    x = 6,168,009.06

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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.