Home / 8,459,138.34-11,672,758.98-4,787,415.63

Finding the Fourth Proportional to 8,459,138.34, 11,672,758.98 and 4,787,415.63

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Solution

The fourth proportional to 8,459,138.34, 11,672,758.98 and 4,787,415.63 is: 6,606,151.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459,138.34 : 11,672,758.98 = 4,787,415.63 : x
  2. Step 2: Convert to fraction form
    8,459,138.34/11,672,758.98 = 4,787,415.63/x
  3. Step 3: Cross multiply
    8,459,138.34x = 11,672,758.98 × 4,787,415.63
  4. Step 4: Simplify right side
    8,459,138.34x = 55,882,348,786,074.86
  5. Step 5: Solve for x
    x = 55,882,348,786,074.86/8,459,138.34
  6. Step 6: Final answer
    x = 6,606,151.42

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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.