Home / 21,858,845.20-32,762,023.80-9,072,768.40

Finding the Fourth Proportional to 21,858,845.20, 32,762,023.80 and 9,072,768.40

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Solution

The fourth proportional to 21,858,845.20, 32,762,023.80 and 9,072,768.40 is: 13,598,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,858,845.20 : 32,762,023.80 = 9,072,768.40 : x
  2. Step 2: Convert to fraction form
    21,858,845.20/32,762,023.80 = 9,072,768.40/x
  3. Step 3: Cross multiply
    21,858,845.20x = 32,762,023.80 × 9,072,768.40
  4. Step 4: Simplify right side
    21,858,845.20x = 297,242,254,252,687.94
  5. Step 5: Solve for x
    x = 297,242,254,252,687.94/21,858,845.20
  6. Step 6: Final answer
    x = 13,598,259.72

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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.