Home / 13,168,305.65-18,172,127.87-7,287,951.27

Finding the Fourth Proportional to 13,168,305.65, 18,172,127.87 and 7,287,951.27

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Solution

The fourth proportional to 13,168,305.65, 18,172,127.87 and 7,287,951.27 is: 10,057,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168,305.65 : 18,172,127.87 = 7,287,951.27 : x
  2. Step 2: Convert to fraction form
    13,168,305.65/18,172,127.87 = 7,287,951.27/x
  3. Step 3: Cross multiply
    13,168,305.65x = 18,172,127.87 × 7,287,951.27
  4. Step 4: Simplify right side
    13,168,305.65x = 132,437,582,352,329.12
  5. Step 5: Solve for x
    x = 132,437,582,352,329.12/13,168,305.65
  6. Step 6: Final answer
    x = 10,057,298.63

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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.