Home / 12,771,696.24-19,147,372.20-7,374,224.16

Finding the Fourth Proportional to 12,771,696.24, 19,147,372.20 and 7,374,224.16

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Solution

The fourth proportional to 12,771,696.24, 19,147,372.20 and 7,374,224.16 is: 11,055,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,696.24 : 19,147,372.20 = 7,374,224.16 : x
  2. Step 2: Convert to fraction form
    12,771,696.24/19,147,372.20 = 7,374,224.16/x
  3. Step 3: Cross multiply
    12,771,696.24x = 19,147,372.20 × 7,374,224.16
  4. Step 4: Simplify right side
    12,771,696.24x = 141,197,014,677,752.34
  5. Step 5: Solve for x
    x = 141,197,014,677,752.34/12,771,696.24
  6. Step 6: Final answer
    x = 11,055,462.96

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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.