Home / 15,196,527.84-20,970,999.02-8,321,009.90

Finding the Fourth Proportional to 15,196,527.84, 20,970,999.02 and 8,321,009.90

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Solution

The fourth proportional to 15,196,527.84, 20,970,999.02 and 8,321,009.90 is: 11,482,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,527.84 : 20,970,999.02 = 8,321,009.90 : x
  2. Step 2: Convert to fraction form
    15,196,527.84/20,970,999.02 = 8,321,009.90/x
  3. Step 3: Cross multiply
    15,196,527.84x = 20,970,999.02 × 8,321,009.90
  4. Step 4: Simplify right side
    15,196,527.84x = 174,499,890,458,310.31
  5. Step 5: Solve for x
    x = 174,499,890,458,310.31/15,196,527.84
  6. Step 6: Final answer
    x = 11,482,879.00

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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.