Home / 8,750,123.20-13,123,435.20-4,201,163.20

Finding the Fourth Proportional to 8,750,123.20, 13,123,435.20 and 4,201,163.20

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Solution

The fourth proportional to 8,750,123.20, 13,123,435.20 and 4,201,163.20 is: 6,300,904.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,123.20 : 13,123,435.20 = 4,201,163.20 : x
  2. Step 2: Convert to fraction form
    8,750,123.20/13,123,435.20 = 4,201,163.20/x
  3. Step 3: Cross multiply
    8,750,123.20x = 13,123,435.20 × 4,201,163.20
  4. Step 4: Simplify right side
    8,750,123.20x = 55,133,693,019,824.64
  5. Step 5: Solve for x
    x = 55,133,693,019,824.64/8,750,123.20
  6. Step 6: Final answer
    x = 6,300,904.77

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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.