Home / 14,128,028.02-21,155,043.12-9,255,004.30

Finding the Fourth Proportional to 14,128,028.02, 21,155,043.12 and 9,255,004.30

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Solution

The fourth proportional to 14,128,028.02, 21,155,043.12 and 9,255,004.30 is: 13,858,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128,028.02 : 21,155,043.12 = 9,255,004.30 : x
  2. Step 2: Convert to fraction form
    14,128,028.02/21,155,043.12 = 9,255,004.30/x
  3. Step 3: Cross multiply
    14,128,028.02x = 21,155,043.12 × 9,255,004.30
  4. Step 4: Simplify right side
    14,128,028.02x = 195,790,015,042,285.44
  5. Step 5: Solve for x
    x = 195,790,015,042,285.44/14,128,028.02
  6. Step 6: Final answer
    x = 13,858,269.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.