Home / 14,906,408.16-20,569,425.12-8,712,906.72

Finding the Fourth Proportional to 14,906,408.16, 20,569,425.12 and 8,712,906.72

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Solution

The fourth proportional to 14,906,408.16, 20,569,425.12 and 8,712,906.72 is: 12,022,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,408.16 : 20,569,425.12 = 8,712,906.72 : x
  2. Step 2: Convert to fraction form
    14,906,408.16/20,569,425.12 = 8,712,906.72/x
  3. Step 3: Cross multiply
    14,906,408.16x = 20,569,425.12 × 8,712,906.72
  4. Step 4: Simplify right side
    14,906,408.16x = 179,219,482,354,584.84
  5. Step 5: Solve for x
    x = 179,219,482,354,584.84/14,906,408.16
  6. Step 6: Final answer
    x = 12,022,982.36

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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.