Home / 11,626,641.32-16,028,133.39-8,178,179.72

Finding the Fourth Proportional to 11,626,641.32, 16,028,133.39 and 8,178,179.72

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Solution

The fourth proportional to 11,626,641.32, 16,028,133.39 and 8,178,179.72 is: 11,274,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626,641.32 : 16,028,133.39 = 8,178,179.72 : x
  2. Step 2: Convert to fraction form
    11,626,641.32/16,028,133.39 = 8,178,179.72/x
  3. Step 3: Cross multiply
    11,626,641.32x = 16,028,133.39 × 8,178,179.72
  4. Step 4: Simplify right side
    11,626,641.32x = 131,080,955,359,412.19
  5. Step 5: Solve for x
    x = 131,080,955,359,412.19/11,626,641.32
  6. Step 6: Final answer
    x = 11,274,189.32

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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.