Home / 28,115,768.63-42,175,503.44-7,366,714.80

Finding the Fourth Proportional to 28,115,768.63, 42,175,503.44 and 7,366,714.80

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Solution

The fourth proportional to 28,115,768.63, 42,175,503.44 and 7,366,714.80 is: 11,050,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,115,768.63 : 42,175,503.44 = 7,366,714.80 : x
  2. Step 2: Convert to fraction form
    28,115,768.63/42,175,503.44 = 7,366,714.80/x
  3. Step 3: Cross multiply
    28,115,768.63x = 42,175,503.44 × 7,366,714.80
  4. Step 4: Simplify right side
    28,115,768.63x = 310,694,905,587,760.56
  5. Step 5: Solve for x
    x = 310,694,905,587,760.56/28,115,768.63
  6. Step 6: Final answer
    x = 11,050,557.06

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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.