Home / 13,250,615.04-18,285,738.84-7,449,422.64

Finding the Fourth Proportional to 13,250,615.04, 18,285,738.84 and 7,449,422.64

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Solution

The fourth proportional to 13,250,615.04, 18,285,738.84 and 7,449,422.64 is: 10,280,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,615.04 : 18,285,738.84 = 7,449,422.64 : x
  2. Step 2: Convert to fraction form
    13,250,615.04/18,285,738.84 = 7,449,422.64/x
  3. Step 3: Cross multiply
    13,250,615.04x = 18,285,738.84 × 7,449,422.64
  4. Step 4: Simplify right side
    13,250,615.04x = 136,218,196,903,823.33
  5. Step 5: Solve for x
    x = 136,218,196,903,823.33/13,250,615.04
  6. Step 6: Final answer
    x = 10,280,141.45

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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.