Home / 12,742,044.75-17,584,176.20-6,940,874.43

Finding the Fourth Proportional to 12,742,044.75, 17,584,176.20 and 6,940,874.43

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Solution

The fourth proportional to 12,742,044.75, 17,584,176.20 and 6,940,874.43 is: 9,578,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742,044.75 : 17,584,176.20 = 6,940,874.43 : x
  2. Step 2: Convert to fraction form
    12,742,044.75/17,584,176.20 = 6,940,874.43/x
  3. Step 3: Cross multiply
    12,742,044.75x = 17,584,176.20 × 6,940,874.43
  4. Step 4: Simplify right side
    12,742,044.75x = 122,049,558,924,490.19
  5. Step 5: Solve for x
    x = 122,049,558,924,490.19/12,742,044.75
  6. Step 6: Final answer
    x = 9,578,490.84

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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.