Home / 12,789,601.30-19,168,072.35-5,208,001.30

Finding the Fourth Proportional to 12,789,601.30, 19,168,072.35 and 5,208,001.30

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Solution

The fourth proportional to 12,789,601.30, 19,168,072.35 and 5,208,001.30 is: 7,805,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,601.30 : 19,168,072.35 = 5,208,001.30 : x
  2. Step 2: Convert to fraction form
    12,789,601.30/19,168,072.35 = 5,208,001.30/x
  3. Step 3: Cross multiply
    12,789,601.30x = 19,168,072.35 × 5,208,001.30
  4. Step 4: Simplify right side
    12,789,601.30x = 99,827,345,717,294.06
  5. Step 5: Solve for x
    x = 99,827,345,717,294.06/12,789,601.30
  6. Step 6: Final answer
    x = 7,805,352.44

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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.