Home / 12,515,548.48-17,271,590.56-7,686,652.48

Finding the Fourth Proportional to 12,515,548.48, 17,271,590.56 and 7,686,652.48

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Solution

The fourth proportional to 12,515,548.48, 17,271,590.56 and 7,686,652.48 is: 10,607,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,548.48 : 17,271,590.56 = 7,686,652.48 : x
  2. Step 2: Convert to fraction form
    12,515,548.48/17,271,590.56 = 7,686,652.48/x
  3. Step 3: Cross multiply
    12,515,548.48x = 17,271,590.56 × 7,686,652.48
  4. Step 4: Simplify right side
    12,515,548.48x = 132,760,714,411,568.59
  5. Step 5: Solve for x
    x = 132,760,714,411,568.59/12,515,548.48
  6. Step 6: Final answer
    x = 10,607,662.51

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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.