Home / 13,091,166.62-19,639,840.89-4,115,718.62

Finding the Fourth Proportional to 13,091,166.62, 19,639,840.89 and 4,115,718.62

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Solution

The fourth proportional to 13,091,166.62, 19,639,840.89 and 4,115,718.62 is: 6,174,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091,166.62 : 19,639,840.89 = 4,115,718.62 : x
  2. Step 2: Convert to fraction form
    13,091,166.62/19,639,840.89 = 4,115,718.62/x
  3. Step 3: Cross multiply
    13,091,166.62x = 19,639,840.89 × 4,115,718.62
  4. Step 4: Simplify right side
    13,091,166.62x = 80,832,058,844,810.38
  5. Step 5: Solve for x
    x = 80,832,058,844,810.38/13,091,166.62
  6. Step 6: Final answer
    x = 6,174,549.69

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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.