Home / 28,114,576.37-38,797,828.53-15,724,640.21

Finding the Fourth Proportional to 28,114,576.37, 38,797,828.53 and 15,724,640.21

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Solution

The fourth proportional to 28,114,576.37, 38,797,828.53 and 15,724,640.21 is: 21,699,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114,576.37 : 38,797,828.53 = 15,724,640.21 : x
  2. Step 2: Convert to fraction form
    28,114,576.37/38,797,828.53 = 15,724,640.21/x
  3. Step 3: Cross multiply
    28,114,576.37x = 38,797,828.53 × 15,724,640.21
  4. Step 4: Simplify right side
    28,114,576.37x = 610,081,894,369,534.12
  5. Step 5: Solve for x
    x = 610,081,894,369,534.12/28,114,576.37
  6. Step 6: Final answer
    x = 21,699,843.04

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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.