Home / 30,203,122.79-45,286,143.12-11,737,506.93

Finding the Fourth Proportional to 30,203,122.79, 45,286,143.12 and 11,737,506.93

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Solution

The fourth proportional to 30,203,122.79, 45,286,143.12 and 11,737,506.93 is: 17,599,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203,122.79 : 45,286,143.12 = 11,737,506.93 : x
  2. Step 2: Convert to fraction form
    30,203,122.79/45,286,143.12 = 11,737,506.93/x
  3. Step 3: Cross multiply
    30,203,122.79x = 45,286,143.12 × 11,737,506.93
  4. Step 4: Simplify right side
    30,203,122.79x = 531,546,418,418,853.62
  5. Step 5: Solve for x
    x = 531,546,418,418,853.62/30,203,122.79
  6. Step 6: Final answer
    x = 17,599,054.98

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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.