Home / 18,457,243.16-27,691,779.22-12,923,543.04

Finding the Fourth Proportional to 18,457,243.16, 27,691,779.22 and 12,923,543.04

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Solution

The fourth proportional to 18,457,243.16, 27,691,779.22 and 12,923,543.04 is: 19,389,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457,243.16 : 27,691,779.22 = 12,923,543.04 : x
  2. Step 2: Convert to fraction form
    18,457,243.16/27,691,779.22 = 12,923,543.04/x
  3. Step 3: Cross multiply
    18,457,243.16x = 27,691,779.22 × 12,923,543.04
  4. Step 4: Simplify right side
    18,457,243.16x = 357,875,900,603,847.56
  5. Step 5: Solve for x
    x = 357,875,900,603,847.56/18,457,243.16
  6. Step 6: Final answer
    x = 19,389,455.81

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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.