Home / 30,614,644.35-42,248,211.51-16,863,608.48

Finding the Fourth Proportional to 30,614,644.35, 42,248,211.51 and 16,863,608.48

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Solution

The fourth proportional to 30,614,644.35, 42,248,211.51 and 16,863,608.48 is: 23,271,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,644.35 : 42,248,211.51 = 16,863,608.48 : x
  2. Step 2: Convert to fraction form
    30,614,644.35/42,248,211.51 = 16,863,608.48/x
  3. Step 3: Cross multiply
    30,614,644.35x = 42,248,211.51 × 16,863,608.48
  4. Step 4: Simplify right side
    30,614,644.35x = 712,457,297,673,628.62
  5. Step 5: Solve for x
    x = 712,457,297,673,628.62/30,614,644.35
  6. Step 6: Final answer
    x = 23,271,780.97

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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.