Home / 21,384,099.20-32,076,148.80-13,731,348.80

Finding the Fourth Proportional to 21,384,099.20, 32,076,148.80 and 13,731,348.80

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Solution

The fourth proportional to 21,384,099.20, 32,076,148.80 and 13,731,348.80 is: 20,597,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,099.20 : 32,076,148.80 = 13,731,348.80 : x
  2. Step 2: Convert to fraction form
    21,384,099.20/32,076,148.80 = 13,731,348.80/x
  3. Step 3: Cross multiply
    21,384,099.20x = 32,076,148.80 × 13,731,348.80
  4. Step 4: Simplify right side
    21,384,099.20x = 440,448,787,333,501.50
  5. Step 5: Solve for x
    x = 440,448,787,333,501.50/21,384,099.20
  6. Step 6: Final answer
    x = 20,597,023.20

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1.5x scale

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.