Home / 21,384,036.20-32,020,067.10-15,673,341.80

Finding the Fourth Proportional to 21,384,036.20, 32,020,067.10 and 15,673,341.80

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Solution

The fourth proportional to 21,384,036.20, 32,020,067.10 and 15,673,341.80 is: 23,468,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,036.20 : 32,020,067.10 = 15,673,341.80 : x
  2. Step 2: Convert to fraction form
    21,384,036.20/32,020,067.10 = 15,673,341.80/x
  3. Step 3: Cross multiply
    21,384,036.20x = 32,020,067.10 × 15,673,341.80
  4. Step 4: Simplify right side
    21,384,036.20x = 501,861,456,117,234.81
  5. Step 5: Solve for x
    x = 501,861,456,117,234.81/21,384,036.20
  6. Step 6: Final answer
    x = 23,468,977.11

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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.