Home / 21,671,569.20-32,507,353.80-8,901,238.80

Finding the Fourth Proportional to 21,671,569.20, 32,507,353.80 and 8,901,238.80

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Solution

The fourth proportional to 21,671,569.20, 32,507,353.80 and 8,901,238.80 is: 13,351,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671,569.20 : 32,507,353.80 = 8,901,238.80 : x
  2. Step 2: Convert to fraction form
    21,671,569.20/32,507,353.80 = 8,901,238.80/x
  3. Step 3: Cross multiply
    21,671,569.20x = 32,507,353.80 × 8,901,238.80
  4. Step 4: Simplify right side
    21,671,569.20x = 289,355,718,929,887.50
  5. Step 5: Solve for x
    x = 289,355,718,929,887.50/21,671,569.20
  6. Step 6: Final answer
    x = 13,351,858.20

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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.