Home / 12,648,424.15-17,454,821.64-6,847,201.58

Finding the Fourth Proportional to 12,648,424.15, 17,454,821.64 and 6,847,201.58

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Solution

The fourth proportional to 12,648,424.15, 17,454,821.64 and 6,847,201.58 is: 9,449,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,424.15 : 17,454,821.64 = 6,847,201.58 : x
  2. Step 2: Convert to fraction form
    12,648,424.15/17,454,821.64 = 6,847,201.58/x
  3. Step 3: Cross multiply
    12,648,424.15x = 17,454,821.64 × 6,847,201.58
  4. Step 4: Simplify right side
    12,648,424.15x = 119,516,682,312,026.20
  5. Step 5: Solve for x
    x = 119,516,682,312,026.20/12,648,424.15
  6. Step 6: Final answer
    x = 9,449,136.19

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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.