Home / 21,904,767.78-32,789,890.44-13,779,700.26

Finding the Fourth Proportional to 21,904,767.78, 32,789,890.44 and 13,779,700.26

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Solution

The fourth proportional to 21,904,767.78, 32,789,890.44 and 13,779,700.26 is: 20,627,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904,767.78 : 32,789,890.44 = 13,779,700.26 : x
  2. Step 2: Convert to fraction form
    21,904,767.78/32,789,890.44 = 13,779,700.26/x
  3. Step 3: Cross multiply
    21,904,767.78x = 32,789,890.44 × 13,779,700.26
  4. Step 4: Simplify right side
    21,904,767.78x = 451,834,861,821,439.50
  5. Step 5: Solve for x
    x = 451,834,861,821,439.50/21,904,767.78
  6. Step 6: Final answer
    x = 20,627,238.16

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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.