Home / 11,926,587.42-16,458,242.04-7,288,128.54

Finding the Fourth Proportional to 11,926,587.42, 16,458,242.04 and 7,288,128.54

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Solution

The fourth proportional to 11,926,587.42, 16,458,242.04 and 7,288,128.54 is: 10,057,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926,587.42 : 16,458,242.04 = 7,288,128.54 : x
  2. Step 2: Convert to fraction form
    11,926,587.42/16,458,242.04 = 7,288,128.54/x
  3. Step 3: Cross multiply
    11,926,587.42x = 16,458,242.04 × 7,288,128.54
  4. Step 4: Simplify right side
    11,926,587.42x = 119,949,783,529,951.81
  5. Step 5: Solve for x
    x = 119,949,783,529,951.81/11,926,587.42
  6. Step 6: Final answer
    x = 10,057,343.25

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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.