Home / 13,646,277.54-18,823,968.72-8,817,381.54

Finding the Fourth Proportional to 13,646,277.54, 18,823,968.72 and 8,817,381.54

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Solution

The fourth proportional to 13,646,277.54, 18,823,968.72 and 8,817,381.54 is: 12,162,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646,277.54 : 18,823,968.72 = 8,817,381.54 : x
  2. Step 2: Convert to fraction form
    13,646,277.54/18,823,968.72 = 8,817,381.54/x
  3. Step 3: Cross multiply
    13,646,277.54x = 18,823,968.72 × 8,817,381.54
  4. Step 4: Simplify right side
    13,646,277.54x = 165,978,114,301,265.41
  5. Step 5: Solve for x
    x = 165,978,114,301,265.41/13,646,277.54
  6. Step 6: Final answer
    x = 12,162,885.73

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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.