Home / 19,179,021.16-28,779,881.88-7,056,997.27

Finding the Fourth Proportional to 19,179,021.16, 28,779,881.88 and 7,056,997.27

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Solution

The fourth proportional to 19,179,021.16, 28,779,881.88 and 7,056,997.27 is: 10,589,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,021.16 : 28,779,881.88 = 7,056,997.27 : x
  2. Step 2: Convert to fraction form
    19,179,021.16/28,779,881.88 = 7,056,997.27/x
  3. Step 3: Cross multiply
    19,179,021.16x = 28,779,881.88 × 7,056,997.27
  4. Step 4: Simplify right side
    19,179,021.16x = 203,099,547,858,082.44
  5. Step 5: Solve for x
    x = 203,099,547,858,082.44/19,179,021.16
  6. Step 6: Final answer
    x = 10,589,672.23

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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.