Home / 13,142,255.40-19,701,573.30-8,347,476.60

Finding the Fourth Proportional to 13,142,255.40, 19,701,573.30 and 8,347,476.60

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Solution

The fourth proportional to 13,142,255.40, 19,701,573.30 and 8,347,476.60 is: 12,513,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142,255.40 : 19,701,573.30 = 8,347,476.60 : x
  2. Step 2: Convert to fraction form
    13,142,255.40/19,701,573.30 = 8,347,476.60/x
  3. Step 3: Cross multiply
    13,142,255.40x = 19,701,573.30 × 8,347,476.60
  4. Step 4: Simplify right side
    13,142,255.40x = 164,458,422,104,934.78
  5. Step 5: Solve for x
    x = 164,458,422,104,934.78/13,142,255.40
  6. Step 6: Final answer
    x = 12,513,713.75

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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.