Home / 15,492,624.53-21,379,392.60-8,427,983.54

Finding the Fourth Proportional to 15,492,624.53, 21,379,392.60 and 8,427,983.54

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Solution

The fourth proportional to 15,492,624.53, 21,379,392.60 and 8,427,983.54 is: 11,630,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492,624.53 : 21,379,392.60 = 8,427,983.54 : x
  2. Step 2: Convert to fraction form
    15,492,624.53/21,379,392.60 = 8,427,983.54/x
  3. Step 3: Cross multiply
    15,492,624.53x = 21,379,392.60 × 8,427,983.54
  4. Step 4: Simplify right side
    15,492,624.53x = 180,185,168,927,997.81
  5. Step 5: Solve for x
    x = 180,185,168,927,997.81/15,492,624.53
  6. Step 6: Final answer
    x = 11,630,383.77

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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.