Home / 15,084,537.86-20,817,347.74-8,889,846.02

Finding the Fourth Proportional to 15,084,537.86, 20,817,347.74 and 8,889,846.02

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Solution

The fourth proportional to 15,084,537.86, 20,817,347.74 and 8,889,846.02 is: 12,268,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,084,537.86 : 20,817,347.74 = 8,889,846.02 : x
  2. Step 2: Convert to fraction form
    15,084,537.86/20,817,347.74 = 8,889,846.02/x
  3. Step 3: Cross multiply
    15,084,537.86x = 20,817,347.74 × 8,889,846.02
  4. Step 4: Simplify right side
    15,084,537.86x = 185,063,015,953,394.97
  5. Step 5: Solve for x
    x = 185,063,015,953,394.97/15,084,537.86
  6. Step 6: Final answer
    x = 12,268,391.49

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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.