Home / 13,362,880.76-18,440,825.26-7,251,310.52

Finding the Fourth Proportional to 13,362,880.76, 18,440,825.26 and 7,251,310.52

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Solution

The fourth proportional to 13,362,880.76, 18,440,825.26 and 7,251,310.52 is: 10,006,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,880.76 : 18,440,825.26 = 7,251,310.52 : x
  2. Step 2: Convert to fraction form
    13,362,880.76/18,440,825.26 = 7,251,310.52/x
  3. Step 3: Cross multiply
    13,362,880.76x = 18,440,825.26 × 7,251,310.52
  4. Step 4: Simplify right side
    13,362,880.76x = 133,720,150,205,319.73
  5. Step 5: Solve for x
    x = 133,720,150,205,319.73/13,362,880.76
  6. Step 6: Final answer
    x = 10,006,835.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.