Home / 13,628,835.70-20,438,828.52-4,528,489.75

Finding the Fourth Proportional to 13,628,835.70, 20,438,828.52 and 4,528,489.75

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Solution

The fourth proportional to 13,628,835.70, 20,438,828.52 and 4,528,489.75 is: 6,791,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,835.70 : 20,438,828.52 = 4,528,489.75 : x
  2. Step 2: Convert to fraction form
    13,628,835.70/20,438,828.52 = 4,528,489.75/x
  3. Step 3: Cross multiply
    13,628,835.70x = 20,438,828.52 × 4,528,489.75
  4. Step 4: Simplify right side
    13,628,835.70x = 92,557,025,454,827.67
  5. Step 5: Solve for x
    x = 92,557,025,454,827.67/13,628,835.70
  6. Step 6: Final answer
    x = 6,791,264.31

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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.