Home / 30,614,644.60-42,248,211.84-16,863,608.72

Finding the Fourth Proportional to 30,614,644.60, 42,248,211.84 and 16,863,608.72

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Solution

The fourth proportional to 30,614,644.60, 42,248,211.84 and 16,863,608.72 is: 23,271,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614,644.60 : 42,248,211.84 = 16,863,608.72 : x
  2. Step 2: Convert to fraction form
    30,614,644.60/42,248,211.84 = 16,863,608.72/x
  3. Step 3: Cross multiply
    30,614,644.60x = 42,248,211.84 × 16,863,608.72
  4. Step 4: Simplify right side
    30,614,644.60x = 712,457,313,589,431.25
  5. Step 5: Solve for x
    x = 712,457,313,589,431.25/30,614,644.60
  6. Step 6: Final answer
    x = 23,271,781.30

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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.