Home / 8,298,070.20-12,440,005.20-3,184,169.76

Finding the Fourth Proportional to 8,298,070.20, 12,440,005.20 and 3,184,169.76

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Solution

The fourth proportional to 8,298,070.20, 12,440,005.20 and 3,184,169.76 is: 4,773,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,070.20 : 12,440,005.20 = 3,184,169.76 : x
  2. Step 2: Convert to fraction form
    8,298,070.20/12,440,005.20 = 3,184,169.76/x
  3. Step 3: Cross multiply
    8,298,070.20x = 12,440,005.20 × 3,184,169.76
  4. Step 4: Simplify right side
    8,298,070.20x = 39,611,088,372,082.75
  5. Step 5: Solve for x
    x = 39,611,088,372,082.75/8,298,070.20
  6. Step 6: Final answer
    x = 4,773,530.16

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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.