Home / 13,153,085.28-18,151,640.04-7,192,842.48

Finding the Fourth Proportional to 13,153,085.28, 18,151,640.04 and 7,192,842.48

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Solution

The fourth proportional to 13,153,085.28, 18,151,640.04 and 7,192,842.48 is: 9,926,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,085.28 : 18,151,640.04 = 7,192,842.48 : x
  2. Step 2: Convert to fraction form
    13,153,085.28/18,151,640.04 = 7,192,842.48/x
  3. Step 3: Cross multiply
    13,153,085.28x = 18,151,640.04 × 7,192,842.48
  4. Step 4: Simplify right side
    13,153,085.28x = 130,561,887,561,380.91
  5. Step 5: Solve for x
    x = 130,561,887,561,380.91/13,153,085.28
  6. Step 6: Final answer
    x = 9,926,331.71

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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.