Home / 11,115,818.74-15,341,440.90-6,405,297.79

Finding the Fourth Proportional to 11,115,818.74, 15,341,440.90 and 6,405,297.79

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Solution

The fourth proportional to 11,115,818.74, 15,341,440.90 and 6,405,297.79 is: 8,840,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115,818.74 : 15,341,440.90 = 6,405,297.79 : x
  2. Step 2: Convert to fraction form
    11,115,818.74/15,341,440.90 = 6,405,297.79/x
  3. Step 3: Cross multiply
    11,115,818.74x = 15,341,440.90 × 6,405,297.79
  4. Step 4: Simplify right side
    11,115,818.74x = 98,266,497,549,601.55
  5. Step 5: Solve for x
    x = 98,266,497,549,601.55/11,115,818.74
  6. Step 6: Final answer
    x = 8,840,239.29

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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.