Home / 15,404,807.04-21,259,297.92-8,529,289.20

Finding the Fourth Proportional to 15,404,807.04, 21,259,297.92 and 8,529,289.20

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Solution

The fourth proportional to 15,404,807.04, 21,259,297.92 and 8,529,289.20 is: 11,770,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,807.04 : 21,259,297.92 = 8,529,289.20 : x
  2. Step 2: Convert to fraction form
    15,404,807.04/21,259,297.92 = 8,529,289.20/x
  3. Step 3: Cross multiply
    15,404,807.04x = 21,259,297.92 × 8,529,289.20
  4. Step 4: Simplify right side
    15,404,807.04x = 181,326,700,148,638.47
  5. Step 5: Solve for x
    x = 181,326,700,148,638.47/15,404,807.04
  6. Step 6: Final answer
    x = 11,770,786.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.