Home / 7,165,169.02-9,887,485.32-3,945,905.02

Finding the Fourth Proportional to 7,165,169.02, 9,887,485.32 and 3,945,905.02

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Solution

The fourth proportional to 7,165,169.02, 9,887,485.32 and 3,945,905.02 is: 5,445,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165,169.02 : 9,887,485.32 = 3,945,905.02 : x
  2. Step 2: Convert to fraction form
    7,165,169.02/9,887,485.32 = 3,945,905.02/x
  3. Step 3: Cross multiply
    7,165,169.02x = 9,887,485.32 × 3,945,905.02
  4. Step 4: Simplify right side
    7,165,169.02x = 39,015,077,959,364.30
  5. Step 5: Solve for x
    x = 39,015,077,959,364.30/7,165,169.02
  6. Step 6: Final answer
    x = 5,445,102.25

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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.