Home / 11,912,374.77-17,861,782.63-8,130,439.41

Finding the Fourth Proportional to 11,912,374.77, 17,861,782.63 and 8,130,439.41

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Solution

The fourth proportional to 11,912,374.77, 17,861,782.63 and 8,130,439.41 is: 12,191,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,374.77 : 17,861,782.63 = 8,130,439.41 : x
  2. Step 2: Convert to fraction form
    11,912,374.77/17,861,782.63 = 8,130,439.41/x
  3. Step 3: Cross multiply
    11,912,374.77x = 17,861,782.63 × 8,130,439.41
  4. Step 4: Simplify right side
    11,912,374.77x = 145,224,141,427,805.44
  5. Step 5: Solve for x
    x = 145,224,141,427,805.44/11,912,374.77
  6. Step 6: Final answer
    x = 12,191,031.95

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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.