Home / 12,789,601.80-19,168,073.10-5,208,001.80

Finding the Fourth Proportional to 12,789,601.80, 19,168,073.10 and 5,208,001.80

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Solution

The fourth proportional to 12,789,601.80, 19,168,073.10 and 5,208,001.80 is: 7,805,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,601.80 : 19,168,073.10 = 5,208,001.80 : x
  2. Step 2: Convert to fraction form
    12,789,601.80/19,168,073.10 = 5,208,001.80/x
  3. Step 3: Cross multiply
    12,789,601.80x = 19,168,073.10 × 5,208,001.80
  4. Step 4: Simplify right side
    12,789,601.80x = 99,827,359,207,331.58
  5. Step 5: Solve for x
    x = 99,827,359,207,331.58/12,789,601.80
  6. Step 6: Final answer
    x = 7,805,353.19

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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.