Home / 13,593,342.54-18,758,811.66-7,398,433.67

Finding the Fourth Proportional to 13,593,342.54, 18,758,811.66 and 7,398,433.67

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Solution

The fourth proportional to 13,593,342.54, 18,758,811.66 and 7,398,433.67 is: 10,209,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,342.54 : 18,758,811.66 = 7,398,433.67 : x
  2. Step 2: Convert to fraction form
    13,593,342.54/18,758,811.66 = 7,398,433.67/x
  3. Step 3: Cross multiply
    13,593,342.54x = 18,758,811.66 × 7,398,433.67
  4. Step 4: Simplify right side
    13,593,342.54x = 138,785,823,781,738.14
  5. Step 5: Solve for x
    x = 138,785,823,781,738.14/13,593,342.54
  6. Step 6: Final answer
    x = 10,209,837.90

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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.