Home / 21,384,220.40-32,076,330.60-17,857,026.80

Finding the Fourth Proportional to 21,384,220.40, 32,076,330.60 and 17,857,026.80

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Solution

The fourth proportional to 21,384,220.40, 32,076,330.60 and 17,857,026.80 is: 26,785,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,220.40 : 32,076,330.60 = 17,857,026.80 : x
  2. Step 2: Convert to fraction form
    21,384,220.40/32,076,330.60 = 17,857,026.80/x
  3. Step 3: Cross multiply
    21,384,220.40x = 32,076,330.60 × 17,857,026.80
  4. Step 4: Simplify right side
    21,384,220.40x = 572,787,895,169,860.12
  5. Step 5: Solve for x
    x = 572,787,895,169,860.12/21,384,220.40
  6. Step 6: Final answer
    x = 26,785,540.20

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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.