Home / 18,509,282.64-25,542,632.16-10,665,913.32

Finding the Fourth Proportional to 18,509,282.64, 25,542,632.16 and 10,665,913.32

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Solution

The fourth proportional to 18,509,282.64, 25,542,632.16 and 10,665,913.32 is: 14,718,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,282.64 : 25,542,632.16 = 10,665,913.32 : x
  2. Step 2: Convert to fraction form
    18,509,282.64/25,542,632.16 = 10,665,913.32/x
  3. Step 3: Cross multiply
    18,509,282.64x = 25,542,632.16 × 10,665,913.32
  4. Step 4: Simplify right side
    18,509,282.64x = 272,435,500,583,204.38
  5. Step 5: Solve for x
    x = 272,435,500,583,204.38/18,509,282.64
  6. Step 6: Final answer
    x = 14,718,857.88

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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.