Home / 15,097,879.85-20,835,664.02-8,572,116.47

Finding the Fourth Proportional to 15,097,879.85, 20,835,664.02 and 8,572,116.47

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Solution

The fourth proportional to 15,097,879.85, 20,835,664.02 and 8,572,116.47 is: 11,829,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097,879.85 : 20,835,664.02 = 8,572,116.47 : x
  2. Step 2: Convert to fraction form
    15,097,879.85/20,835,664.02 = 8,572,116.47/x
  3. Step 3: Cross multiply
    15,097,879.85x = 20,835,664.02 × 8,572,116.47
  4. Step 4: Simplify right side
    15,097,879.85x = 178,605,738,605,050.09
  5. Step 5: Solve for x
    x = 178,605,738,605,050.09/15,097,879.85
  6. Step 6: Final answer
    x = 11,829,855.61

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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.