Home / 21,691,289.80-32,515,380.45-10,875,579.72

Finding the Fourth Proportional to 21,691,289.80, 32,515,380.45 and 10,875,579.72

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Solution

The fourth proportional to 21,691,289.80, 32,515,380.45 and 10,875,579.72 is: 16,302,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691,289.80 : 32,515,380.45 = 10,875,579.72 : x
  2. Step 2: Convert to fraction form
    21,691,289.80/32,515,380.45 = 10,875,579.72/x
  3. Step 3: Cross multiply
    21,691,289.80x = 32,515,380.45 × 10,875,579.72
  4. Step 4: Simplify right side
    21,691,289.80x = 353,623,612,088,171.81
  5. Step 5: Solve for x
    x = 353,623,612,088,171.81/21,691,289.80
  6. Step 6: Final answer
    x = 16,302,562.70

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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.