Home / 15,763,722.54-21,754,178.55-9,235,789.98

Finding the Fourth Proportional to 15,763,722.54, 21,754,178.55 and 9,235,789.98

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Solution

The fourth proportional to 15,763,722.54, 21,754,178.55 and 9,235,789.98 is: 12,745,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763,722.54 : 21,754,178.55 = 9,235,789.98 : x
  2. Step 2: Convert to fraction form
    15,763,722.54/21,754,178.55 = 9,235,789.98/x
  3. Step 3: Cross multiply
    15,763,722.54x = 21,754,178.55 × 9,235,789.98
  4. Step 4: Simplify right side
    15,763,722.54x = 200,917,024,275,220.94
  5. Step 5: Solve for x
    x = 200,917,024,275,220.94/15,763,722.54
  6. Step 6: Final answer
    x = 12,745,531.63

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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.