Home / 8,018,618.28-11,054,988.40-6,370,234.76

Finding the Fourth Proportional to 8,018,618.28, 11,054,988.40 and 6,370,234.76

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Solution

The fourth proportional to 8,018,618.28, 11,054,988.40 and 6,370,234.76 is: 8,782,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,618.28 : 11,054,988.40 = 6,370,234.76 : x
  2. Step 2: Convert to fraction form
    8,018,618.28/11,054,988.40 = 6,370,234.76/x
  3. Step 3: Cross multiply
    8,018,618.28x = 11,054,988.40 × 6,370,234.76
  4. Step 4: Simplify right side
    8,018,618.28x = 70,422,871,377,076.78
  5. Step 5: Solve for x
    x = 70,422,871,377,076.78/8,018,618.28
  6. Step 6: Final answer
    x = 8,782,419.73

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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.