Home / 28,641,242.26-39,524,362.32-15,588,788.86

Finding the Fourth Proportional to 28,641,242.26, 39,524,362.32 and 15,588,788.86

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Solution

The fourth proportional to 28,641,242.26, 39,524,362.32 and 15,588,788.86 is: 21,512,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641,242.26 : 39,524,362.32 = 15,588,788.86 : x
  2. Step 2: Convert to fraction form
    28,641,242.26/39,524,362.32 = 15,588,788.86/x
  3. Step 3: Cross multiply
    28,641,242.26x = 39,524,362.32 × 15,588,788.86
  4. Step 4: Simplify right side
    28,641,242.26x = 616,136,939,032,619.75
  5. Step 5: Solve for x
    x = 616,136,939,032,619.75/28,641,242.26
  6. Step 6: Final answer
    x = 21,512,228.19

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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.