Home / 12,141,984.30-18,218,808.45-8,100,408.30

Finding the Fourth Proportional to 12,141,984.30, 18,218,808.45 and 8,100,408.30

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Solution

The fourth proportional to 12,141,984.30, 18,218,808.45 and 8,100,408.30 is: 12,154,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,984.30 : 18,218,808.45 = 8,100,408.30 : x
  2. Step 2: Convert to fraction form
    12,141,984.30/18,218,808.45 = 8,100,408.30/x
  3. Step 3: Cross multiply
    12,141,984.30x = 18,218,808.45 × 8,100,408.30
  4. Step 4: Simplify right side
    12,141,984.30x = 147,579,787,184,490.12
  5. Step 5: Solve for x
    x = 147,579,787,184,490.12/12,141,984.30
  6. Step 6: Final answer
    x = 12,154,503.21

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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.