Home / 12,101,905.80-18,152,858.70-4,425,535.80

Finding the Fourth Proportional to 12,101,905.80, 18,152,858.70 and 4,425,535.80

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Solution

The fourth proportional to 12,101,905.80, 18,152,858.70 and 4,425,535.80 is: 6,638,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,905.80 : 18,152,858.70 = 4,425,535.80 : x
  2. Step 2: Convert to fraction form
    12,101,905.80/18,152,858.70 = 4,425,535.80/x
  3. Step 3: Cross multiply
    12,101,905.80x = 18,152,858.70 × 4,425,535.80
  4. Step 4: Simplify right side
    12,101,905.80x = 80,336,126,049,191.45
  5. Step 5: Solve for x
    x = 80,336,126,049,191.45/12,101,905.80
  6. Step 6: Final answer
    x = 6,638,303.70

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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.