Home / 12,805,336.56-19,206,590.08-3,220,718.95

Finding the Fourth Proportional to 12,805,336.56, 19,206,590.08 and 3,220,718.95

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Solution

The fourth proportional to 12,805,336.56, 19,206,590.08 and 3,220,718.95 is: 4,830,722.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,336.56 : 19,206,590.08 = 3,220,718.95 : x
  2. Step 2: Convert to fraction form
    12,805,336.56/19,206,590.08 = 3,220,718.95/x
  3. Step 3: Cross multiply
    12,805,336.56x = 19,206,590.08 × 3,220,718.95
  4. Step 4: Simplify right side
    12,805,336.56x = 61,859,028,635,538.02
  5. Step 5: Solve for x
    x = 61,859,028,635,538.02/12,805,336.56
  6. Step 6: Final answer
    x = 4,830,722.59

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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.