Home / 18,686,305.25-25,787,172.54-10,426,715.65

Finding the Fourth Proportional to 18,686,305.25, 25,787,172.54 and 10,426,715.65

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Solution

The fourth proportional to 18,686,305.25, 25,787,172.54 and 10,426,715.65 is: 14,388,907.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,305.25 : 25,787,172.54 = 10,426,715.65 : x
  2. Step 2: Convert to fraction form
    18,686,305.25/25,787,172.54 = 10,426,715.65/x
  3. Step 3: Cross multiply
    18,686,305.25x = 25,787,172.54 × 10,426,715.65
  4. Step 4: Simplify right side
    18,686,305.25x = 268,875,515,533,552.94
  5. Step 5: Solve for x
    x = 268,875,515,533,552.94/18,686,305.25
  6. Step 6: Final answer
    x = 14,388,907.38

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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.