Home / 25,555,512.86-35,266,125.67-15,631,665.39

Finding the Fourth Proportional to 25,555,512.86, 35,266,125.67 and 15,631,665.39

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Solution

The fourth proportional to 25,555,512.86, 35,266,125.67 and 15,631,665.39 is: 21,571,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555,512.86 : 35,266,125.67 = 15,631,665.39 : x
  2. Step 2: Convert to fraction form
    25,555,512.86/35,266,125.67 = 15,631,665.39/x
  3. Step 3: Cross multiply
    25,555,512.86x = 35,266,125.67 × 15,631,665.39
  4. Step 4: Simplify right side
    25,555,512.86x = 551,268,276,036,050.38
  5. Step 5: Solve for x
    x = 551,268,276,036,050.38/25,555,512.86
  6. Step 6: Final answer
    x = 21,571,403.36

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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.