Home / 13,408,065.10-20,112,097.65-12,451,471.30

Finding the Fourth Proportional to 13,408,065.10, 20,112,097.65 and 12,451,471.30

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Solution

The fourth proportional to 13,408,065.10, 20,112,097.65 and 12,451,471.30 is: 18,677,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,065.10 : 20,112,097.65 = 12,451,471.30 : x
  2. Step 2: Convert to fraction form
    13,408,065.10/20,112,097.65 = 12,451,471.30/x
  3. Step 3: Cross multiply
    13,408,065.10x = 20,112,097.65 × 12,451,471.30
  4. Step 4: Simplify right side
    13,408,065.10x = 250,425,206,671,772.44
  5. Step 5: Solve for x
    x = 250,425,206,671,772.44/13,408,065.10
  6. Step 6: Final answer
    x = 18,677,206.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.