Home / 8,911,405.57-12,297,421.44-5,043,843.69

Finding the Fourth Proportional to 8,911,405.57, 12,297,421.44 and 5,043,843.69

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Solution

The fourth proportional to 8,911,405.57, 12,297,421.44 and 5,043,843.69 is: 6,960,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,405.57 : 12,297,421.44 = 5,043,843.69 : x
  2. Step 2: Convert to fraction form
    8,911,405.57/12,297,421.44 = 5,043,843.69/x
  3. Step 3: Cross multiply
    8,911,405.57x = 12,297,421.44 × 5,043,843.69
  4. Step 4: Simplify right side
    8,911,405.57x = 62,026,271,533,414.72
  5. Step 5: Solve for x
    x = 62,026,271,533,414.72/8,911,405.57
  6. Step 6: Final answer
    x = 6,960,324.17

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1.5x scale

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.