Home / 18,426,005.10-27,639,007.65-4,962,833.10

Finding the Fourth Proportional to 18,426,005.10, 27,639,007.65 and 4,962,833.10

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Solution

The fourth proportional to 18,426,005.10, 27,639,007.65 and 4,962,833.10 is: 7,444,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,005.10 : 27,639,007.65 = 4,962,833.10 : x
  2. Step 2: Convert to fraction form
    18,426,005.10/27,639,007.65 = 4,962,833.10/x
  3. Step 3: Cross multiply
    18,426,005.10x = 27,639,007.65 × 4,962,833.10
  4. Step 4: Simplify right side
    18,426,005.10x = 137,167,782,016,573.20
  5. Step 5: Solve for x
    x = 137,167,782,016,573.20/18,426,005.10
  6. Step 6: Final answer
    x = 7,444,249.65

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1.5x scale

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.