Home / 14,698,728-20,284,755.33-8,172,632.52

Finding the Fourth Proportional to 14,698,728, 20,284,755.33 and 8,172,632.52

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Solution

The fourth proportional to 14,698,728, 20,284,755.33 and 8,172,632.52 is: 11,278,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698,728 : 20,284,755.33 = 8,172,632.52 : x
  2. Step 2: Convert to fraction form
    14,698,728/20,284,755.33 = 8,172,632.52/x
  3. Step 3: Cross multiply
    14,698,728x = 20,284,755.33 × 8,172,632.52
  4. Step 4: Simplify right side
    14,698,728x = 165,779,851,070,201.31
  5. Step 5: Solve for x
    x = 165,779,851,070,201.31/14,698,728
  6. Step 6: Final answer
    x = 11,278,516.83

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1.5x scale

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.