Home / 21,952,085-30,293,877.30-12,294,293

Finding the Fourth Proportional to 21,952,085, 30,293,877.30 and 12,294,293

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Solution

The fourth proportional to 21,952,085, 30,293,877.30 and 12,294,293 is: 16,966,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,085 : 30,293,877.30 = 12,294,293 : x
  2. Step 2: Convert to fraction form
    21,952,085/30,293,877.30 = 12,294,293/x
  3. Step 3: Cross multiply
    21,952,085x = 30,293,877.30 × 12,294,293
  4. Step 4: Simplify right side
    21,952,085x = 372,441,803,632,248.94
  5. Step 5: Solve for x
    x = 372,441,803,632,248.94/21,952,085
  6. Step 6: Final answer
    x = 16,966,124.34

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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.