Home / 21,502,602,487.72-29,672,076,188.18-11,986,733,315.80

Finding the Fourth Proportional to 21,502,602,487.72, 29,672,076,188.18 and 11,986,733,315.80

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Solution

The fourth proportional to 21,502,602,487.72, 29,672,076,188.18 and 11,986,733,315.80 is: 16,540,847,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502,602,487.72 : 29,672,076,188.18 = 11,986,733,315.80 : x
  2. Step 2: Convert to fraction form
    21,502,602,487.72/29,672,076,188.18 = 11,986,733,315.80/x
  3. Step 3: Cross multiply
    21,502,602,487.72x = 29,672,076,188.18 × 11,986,733,315.80
  4. Step 4: Simplify right side
    21,502,602,487.72x = 355,671,264,193,813,086,208
  5. Step 5: Solve for x
    x = 355,671,264,193,813,086,208/21,502,602,487.72
  6. Step 6: Final answer
    x = 16,540,847,294.97

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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.