Home / 12,291,479.40-16,962,244.56-6,784,857.30

Finding the Fourth Proportional to 12,291,479.40, 16,962,244.56 and 6,784,857.30

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Solution

The fourth proportional to 12,291,479.40, 16,962,244.56 and 6,784,857.30 is: 9,363,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,479.40 : 16,962,244.56 = 6,784,857.30 : x
  2. Step 2: Convert to fraction form
    12,291,479.40/16,962,244.56 = 6,784,857.30/x
  3. Step 3: Cross multiply
    12,291,479.40x = 16,962,244.56 × 6,784,857.30
  4. Step 4: Simplify right side
    12,291,479.40x = 115,086,408,827,301.28
  5. Step 5: Solve for x
    x = 115,086,408,827,301.28/12,291,479.40
  6. Step 6: Final answer
    x = 9,363,104.72

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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.