Home / 28,708,032.52-39,616,201.86-16,319,479.24

Finding the Fourth Proportional to 28,708,032.52, 39,616,201.86 and 16,319,479.24

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Solution

The fourth proportional to 28,708,032.52, 39,616,201.86 and 16,319,479.24 is: 22,520,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708,032.52 : 39,616,201.86 = 16,319,479.24 : x
  2. Step 2: Convert to fraction form
    28,708,032.52/39,616,201.86 = 16,319,479.24/x
  3. Step 3: Cross multiply
    28,708,032.52x = 39,616,201.86 × 16,319,479.24
  4. Step 4: Simplify right side
    28,708,032.52x = 646,515,783,821,919.38
  5. Step 5: Solve for x
    x = 646,515,783,821,919.38/28,708,032.52
  6. Step 6: Final answer
    x = 22,520,379.39

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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.