Home / 14,984,998.68-20,679,334.92-8,109,530.76

Finding the Fourth Proportional to 14,984,998.68, 20,679,334.92 and 8,109,530.76

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Solution

The fourth proportional to 14,984,998.68, 20,679,334.92 and 8,109,530.76 is: 11,191,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984,998.68 : 20,679,334.92 = 8,109,530.76 : x
  2. Step 2: Convert to fraction form
    14,984,998.68/20,679,334.92 = 8,109,530.76/x
  3. Step 3: Cross multiply
    14,984,998.68x = 20,679,334.92 × 8,109,530.76
  4. Step 4: Simplify right side
    14,984,998.68x = 167,699,702,630,082.16
  5. Step 5: Solve for x
    x = 167,699,702,630,082.16/14,984,998.68
  6. Step 6: Final answer
    x = 11,191,172.33

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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.