Home / 21,384,004.20-32,076,006.30-19,872,349.80

Finding the Fourth Proportional to 21,384,004.20, 32,076,006.30 and 19,872,349.80

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Solution

The fourth proportional to 21,384,004.20, 32,076,006.30 and 19,872,349.80 is: 29,808,524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,004.20 : 32,076,006.30 = 19,872,349.80 : x
  2. Step 2: Convert to fraction form
    21,384,004.20/32,076,006.30 = 19,872,349.80/x
  3. Step 3: Cross multiply
    21,384,004.20x = 32,076,006.30 × 19,872,349.80
  4. Step 4: Simplify right side
    21,384,004.20x = 637,425,617,380,603.75
  5. Step 5: Solve for x
    x = 637,425,617,380,603.75/21,384,004.20
  6. Step 6: Final answer
    x = 29,808,524.70

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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.