Home / 21,502,602,486.72-29,672,076,186.80-11,986,733,314.80

Finding the Fourth Proportional to 21,502,602,486.72, 29,672,076,186.80 and 11,986,733,314.80

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Solution

The fourth proportional to 21,502,602,486.72, 29,672,076,186.80 and 11,986,733,314.80 is: 16,540,847,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502,602,486.72 : 29,672,076,186.80 = 11,986,733,314.80 : x
  2. Step 2: Convert to fraction form
    21,502,602,486.72/29,672,076,186.80 = 11,986,733,314.80/x
  3. Step 3: Cross multiply
    21,502,602,486.72x = 29,672,076,186.80 × 11,986,733,314.80
  4. Step 4: Simplify right side
    21,502,602,486.72x = 355,671,264,147,599,261,696
  5. Step 5: Solve for x
    x = 355,671,264,147,599,261,696/21,502,602,486.72
  6. Step 6: Final answer
    x = 16,540,847,293.59

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1.5x scale

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.