Home / 10,078,714.69-15,118,127.62-2,505,680.44

Finding the Fourth Proportional to 10,078,714.69, 15,118,127.62 and 2,505,680.44

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Solution

The fourth proportional to 10,078,714.69, 15,118,127.62 and 2,505,680.44 is: 3,758,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,714.69 : 15,118,127.62 = 2,505,680.44 : x
  2. Step 2: Convert to fraction form
    10,078,714.69/15,118,127.62 = 2,505,680.44/x
  3. Step 3: Cross multiply
    10,078,714.69x = 15,118,127.62 × 2,505,680.44
  4. Step 4: Simplify right side
    10,078,714.69x = 37,881,196,622,798.23
  5. Step 5: Solve for x
    x = 37,881,196,622,798.23/10,078,714.69
  6. Step 6: Final answer
    x = 3,758,534.48

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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.