Home / 21,670,031.52-29,903,849.93-11,880,260.88

Finding the Fourth Proportional to 21,670,031.52, 29,903,849.93 and 11,880,260.88

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Solution

The fourth proportional to 21,670,031.52, 29,903,849.93 and 11,880,260.88 is: 16,394,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670,031.52 : 29,903,849.93 = 11,880,260.88 : x
  2. Step 2: Convert to fraction form
    21,670,031.52/29,903,849.93 = 11,880,260.88/x
  3. Step 3: Cross multiply
    21,670,031.52x = 29,903,849.93 × 11,880,260.88
  4. Step 4: Simplify right side
    21,670,031.52x = 355,265,538,425,368.44
  5. Step 5: Solve for x
    x = 355,265,538,425,368.44/21,670,031.52
  6. Step 6: Final answer
    x = 16,394,324.95

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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.