Home / 15,588,181.37-21,510,822.58-8,618,455.98

Finding the Fourth Proportional to 15,588,181.37, 21,510,822.58 and 8,618,455.98

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Solution

The fourth proportional to 15,588,181.37, 21,510,822.58 and 8,618,455.98 is: 11,892,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,181.37 : 21,510,822.58 = 8,618,455.98 : x
  2. Step 2: Convert to fraction form
    15,588,181.37/21,510,822.58 = 8,618,455.98/x
  3. Step 3: Cross multiply
    15,588,181.37x = 21,510,822.58 × 8,618,455.98
  4. Step 4: Simplify right side
    15,588,181.37x = 185,390,077,477,773.91
  5. Step 5: Solve for x
    x = 185,390,077,477,773.91/15,588,181.37
  6. Step 6: Final answer
    x = 11,892,989.51

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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.