Home / 12,304,388.23-16,979,538.74-7,077,001.69

Finding the Fourth Proportional to 12,304,388.23, 16,979,538.74 and 7,077,001.69

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Solution

The fourth proportional to 12,304,388.23, 16,979,538.74 and 7,077,001.69 is: 9,765,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,388.23 : 16,979,538.74 = 7,077,001.69 : x
  2. Step 2: Convert to fraction form
    12,304,388.23/16,979,538.74 = 7,077,001.69/x
  3. Step 3: Cross multiply
    12,304,388.23x = 16,979,538.74 × 7,077,001.69
  4. Step 4: Simplify right side
    12,304,388.23x = 120,164,224,344,239.89
  5. Step 5: Solve for x
    x = 120,164,224,344,239.89/12,304,388.23
  6. Step 6: Final answer
    x = 9,765,964.96

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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.