Home / 12,900,583.83-17,802,808.35-7,099,365.63

Finding the Fourth Proportional to 12,900,583.83, 17,802,808.35 and 7,099,365.63

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Solution

The fourth proportional to 12,900,583.83, 17,802,808.35 and 7,099,365.63 is: 9,797,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,583.83 : 17,802,808.35 = 7,099,365.63 : x
  2. Step 2: Convert to fraction form
    12,900,583.83/17,802,808.35 = 7,099,365.63/x
  3. Step 3: Cross multiply
    12,900,583.83x = 17,802,808.35 × 7,099,365.63
  4. Step 4: Simplify right side
    12,900,583.83x = 126,388,645,717,467.02
  5. Step 5: Solve for x
    x = 126,388,645,717,467.02/12,900,583.83
  6. Step 6: Final answer
    x = 9,797,126.04

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1.5x scale

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.