Home / 9,018,354.78-12,439,682.46-5,921,037.90

Finding the Fourth Proportional to 9,018,354.78, 12,439,682.46 and 5,921,037.90

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Solution

The fourth proportional to 9,018,354.78, 12,439,682.46 and 5,921,037.90 is: 8,167,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018,354.78 : 12,439,682.46 = 5,921,037.90 : x
  2. Step 2: Convert to fraction form
    9,018,354.78/12,439,682.46 = 5,921,037.90/x
  3. Step 3: Cross multiply
    9,018,354.78x = 12,439,682.46 × 5,921,037.90
  4. Step 4: Simplify right side
    9,018,354.78x = 73,655,831,309,625.25
  5. Step 5: Solve for x
    x = 73,655,831,309,625.25/9,018,354.78
  6. Step 6: Final answer
    x = 8,167,324.65

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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.