Home / 30,559,847-42,178,579.62-17,515,848.65

Finding the Fourth Proportional to 30,559,847, 42,178,579.62 and 17,515,848.65

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Solution

The fourth proportional to 30,559,847, 42,178,579.62 and 17,515,848.65 is: 24,175,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559,847 : 42,178,579.62 = 17,515,848.65 : x
  2. Step 2: Convert to fraction form
    30,559,847/42,178,579.62 = 17,515,848.65/x
  3. Step 3: Cross multiply
    30,559,847x = 42,178,579.62 × 17,515,848.65
  4. Step 4: Simplify right side
    30,559,847x = 738,793,616,895,894.38
  5. Step 5: Solve for x
    x = 738,793,616,895,894.38/30,559,847
  6. Step 6: Final answer
    x = 24,175,304.83

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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.