Home / 19,431,733.96-26,818,157.14-11,282,971.72

Finding the Fourth Proportional to 19,431,733.96, 26,818,157.14 and 11,282,971.72

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Solution

The fourth proportional to 19,431,733.96, 26,818,157.14 and 11,282,971.72 is: 15,571,873.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,733.96 : 26,818,157.14 = 11,282,971.72 : x
  2. Step 2: Convert to fraction form
    19,431,733.96/26,818,157.14 = 11,282,971.72/x
  3. Step 3: Cross multiply
    19,431,733.96x = 26,818,157.14 × 11,282,971.72
  4. Step 4: Simplify right side
    19,431,733.96x = 302,588,508,593,136.12
  5. Step 5: Solve for x
    x = 302,588,508,593,136.12/19,431,733.96
  6. Step 6: Final answer
    x = 15,571,873.78

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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.