Home / 11,142,165.45-15,376,345.42-6,731,277.86

Finding the Fourth Proportional to 11,142,165.45, 15,376,345.42 and 6,731,277.86

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Solution

The fourth proportional to 11,142,165.45, 15,376,345.42 and 6,731,277.86 is: 9,289,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,165.45 : 15,376,345.42 = 6,731,277.86 : x
  2. Step 2: Convert to fraction form
    11,142,165.45/15,376,345.42 = 6,731,277.86/x
  3. Step 3: Cross multiply
    11,142,165.45x = 15,376,345.42 × 6,731,277.86
  4. Step 4: Simplify right side
    11,142,165.45x = 103,502,453,409,334.45
  5. Step 5: Solve for x
    x = 103,502,453,409,334.45/11,142,165.45
  6. Step 6: Final answer
    x = 9,289,258.34

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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.