Home / 11,389,740.86-15,717,832.16-6,429,226.57

Finding the Fourth Proportional to 11,389,740.86, 15,717,832.16 and 6,429,226.57

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Solution

The fourth proportional to 11,389,740.86, 15,717,832.16 and 6,429,226.57 is: 8,872,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389,740.86 : 15,717,832.16 = 6,429,226.57 : x
  2. Step 2: Convert to fraction form
    11,389,740.86/15,717,832.16 = 6,429,226.57/x
  3. Step 3: Cross multiply
    11,389,740.86x = 15,717,832.16 × 6,429,226.57
  4. Step 4: Simplify right side
    11,389,740.86x = 101,053,504,110,596.17
  5. Step 5: Solve for x
    x = 101,053,504,110,596.17/11,389,740.86
  6. Step 6: Final answer
    x = 8,872,326.89

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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.