Home / 13,236,989.92-18,265,056.88-7,434,660.48

Finding the Fourth Proportional to 13,236,989.92, 18,265,056.88 and 7,434,660.48

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Solution

The fourth proportional to 13,236,989.92, 18,265,056.88 and 7,434,660.48 is: 10,258,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,989.92 : 18,265,056.88 = 7,434,660.48 : x
  2. Step 2: Convert to fraction form
    13,236,989.92/18,265,056.88 = 7,434,660.48/x
  3. Step 3: Cross multiply
    13,236,989.92x = 18,265,056.88 × 7,434,660.48
  4. Step 4: Simplify right side
    13,236,989.92x = 135,794,496,550,688.11
  5. Step 5: Solve for x
    x = 135,794,496,550,688.11/13,236,989.92
  6. Step 6: Final answer
    x = 10,258,714.21

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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.