Home / 13,259,105.10-18,297,381.33-7,457,890.77

Finding the Fourth Proportional to 13,259,105.10, 18,297,381.33 and 7,457,890.77

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Solution

The fourth proportional to 13,259,105.10, 18,297,381.33 and 7,457,890.77 is: 10,291,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,105.10 : 18,297,381.33 = 7,457,890.77 : x
  2. Step 2: Convert to fraction form
    13,259,105.10/18,297,381.33 = 7,457,890.77/x
  3. Step 3: Cross multiply
    13,259,105.10x = 18,297,381.33 × 7,457,890.77
  4. Step 4: Simplify right side
    13,259,105.10x = 136,459,871,336,177.30
  5. Step 5: Solve for x
    x = 136,459,871,336,177.30/13,259,105.10
  6. Step 6: Final answer
    x = 10,291,785.93

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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.