Home / 11,078,608.72-15,291,030.96-6,496,406.32

Finding the Fourth Proportional to 11,078,608.72, 15,291,030.96 and 6,496,406.32

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Solution

The fourth proportional to 11,078,608.72, 15,291,030.96 and 6,496,406.32 is: 8,966,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,608.72 : 15,291,030.96 = 6,496,406.32 : x
  2. Step 2: Convert to fraction form
    11,078,608.72/15,291,030.96 = 6,496,406.32/x
  3. Step 3: Cross multiply
    11,078,608.72x = 15,291,030.96 × 6,496,406.32
  4. Step 4: Simplify right side
    11,078,608.72x = 99,336,750,167,859.67
  5. Step 5: Solve for x
    x = 99,336,750,167,859.67/11,078,608.72
  6. Step 6: Final answer
    x = 8,966,536.56

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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.