Home / 21,002,760.04-31,496,853.48-7,355,605.42

Finding the Fourth Proportional to 21,002,760.04, 31,496,853.48 and 7,355,605.42

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Solution

The fourth proportional to 21,002,760.04, 31,496,853.48 and 7,355,605.42 is: 11,030,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,760.04 : 31,496,853.48 = 7,355,605.42 : x
  2. Step 2: Convert to fraction form
    21,002,760.04/31,496,853.48 = 7,355,605.42/x
  3. Step 3: Cross multiply
    21,002,760.04x = 31,496,853.48 × 7,355,605.42
  4. Step 4: Simplify right side
    21,002,760.04x = 231,678,426,170,433.88
  5. Step 5: Solve for x
    x = 231,678,426,170,433.88/21,002,760.04
  6. Step 6: Final answer
    x = 11,030,856.22

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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.