Home / 8,868,991.70-13,303,487.55-8,785,010.90

Finding the Fourth Proportional to 8,868,991.70, 13,303,487.55 and 8,785,010.90

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Solution

The fourth proportional to 8,868,991.70, 13,303,487.55 and 8,785,010.90 is: 13,177,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,991.70 : 13,303,487.55 = 8,785,010.90 : x
  2. Step 2: Convert to fraction form
    8,868,991.70/13,303,487.55 = 8,785,010.90/x
  3. Step 3: Cross multiply
    8,868,991.70x = 13,303,487.55 × 8,785,010.90
  4. Step 4: Simplify right side
    8,868,991.70x = 116,871,283,134,764.31
  5. Step 5: Solve for x
    x = 116,871,283,134,764.31/8,868,991.70
  6. Step 6: Final answer
    x = 13,177,516.35

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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.