Home / 10,861,858.76-16,294,886.20-4,129,749.32

Finding the Fourth Proportional to 10,861,858.76, 16,294,886.20 and 4,129,749.32

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Solution

The fourth proportional to 10,861,858.76, 16,294,886.20 and 4,129,749.32 is: 6,195,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,858.76 : 16,294,886.20 = 4,129,749.32 : x
  2. Step 2: Convert to fraction form
    10,861,858.76/16,294,886.20 = 4,129,749.32/x
  3. Step 3: Cross multiply
    10,861,858.76x = 16,294,886.20 × 4,129,749.32
  4. Step 4: Simplify right side
    10,861,858.76x = 67,293,795,203,927.38
  5. Step 5: Solve for x
    x = 67,293,795,203,927.38/10,861,858.76
  6. Step 6: Final answer
    x = 6,195,421.68

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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.