Home / 8,868,993.70-13,303,490.55-8,785,012.90

Finding the Fourth Proportional to 8,868,993.70, 13,303,490.55 and 8,785,012.90

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Solution

The fourth proportional to 8,868,993.70, 13,303,490.55 and 8,785,012.90 is: 13,177,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,993.70 : 13,303,490.55 = 8,785,012.90 : x
  2. Step 2: Convert to fraction form
    8,868,993.70/13,303,490.55 = 8,785,012.90/x
  3. Step 3: Cross multiply
    8,868,993.70x = 13,303,490.55 × 8,785,012.90
  4. Step 4: Simplify right side
    8,868,993.70x = 116,871,336,096,778.11
  5. Step 5: Solve for x
    x = 116,871,336,096,778.11/8,868,993.70
  6. Step 6: Final answer
    x = 13,177,519.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.