Home / 19,912,682.96-27,479,188.68-11,210,835.92

Finding the Fourth Proportional to 19,912,682.96, 27,479,188.68 and 11,210,835.92

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Solution

The fourth proportional to 19,912,682.96, 27,479,188.68 and 11,210,835.92 is: 15,470,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912,682.96 : 27,479,188.68 = 11,210,835.92 : x
  2. Step 2: Convert to fraction form
    19,912,682.96/27,479,188.68 = 11,210,835.92/x
  3. Step 3: Cross multiply
    19,912,682.96x = 27,479,188.68 × 11,210,835.92
  4. Step 4: Simplify right side
    19,912,682.96x = 308,064,675,506,201.38
  5. Step 5: Solve for x
    x = 308,064,675,506,201.38/19,912,682.96
  6. Step 6: Final answer
    x = 15,470,776.90

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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.