Home / 15,334,845.48-21,162,145.86-8,459,228.52

Finding the Fourth Proportional to 15,334,845.48, 21,162,145.86 and 8,459,228.52

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Solution

The fourth proportional to 15,334,845.48, 21,162,145.86 and 8,459,228.52 is: 11,673,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334,845.48 : 21,162,145.86 = 8,459,228.52 : x
  2. Step 2: Convert to fraction form
    15,334,845.48/21,162,145.86 = 8,459,228.52/x
  3. Step 3: Cross multiply
    15,334,845.48x = 21,162,145.86 × 8,459,228.52
  4. Step 4: Simplify right side
    15,334,845.48x = 179,015,427,803,311.91
  5. Step 5: Solve for x
    x = 179,015,427,803,311.91/15,334,845.48
  6. Step 6: Final answer
    x = 11,673,767.96

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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.