Home / 13,500,767.17-18,631,107.68-7,305,813.16

Finding the Fourth Proportional to 13,500,767.17, 18,631,107.68 and 7,305,813.16

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Solution

The fourth proportional to 13,500,767.17, 18,631,107.68 and 7,305,813.16 is: 10,082,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,767.17 : 18,631,107.68 = 7,305,813.16 : x
  2. Step 2: Convert to fraction form
    13,500,767.17/18,631,107.68 = 7,305,813.16/x
  3. Step 3: Cross multiply
    13,500,767.17x = 18,631,107.68 × 7,305,813.16
  4. Step 4: Simplify right side
    13,500,767.17x = 136,115,391,590,814.23
  5. Step 5: Solve for x
    x = 136,115,391,590,814.23/13,500,767.17
  6. Step 6: Final answer
    x = 10,082,048.66

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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.