Home / 15,422,504.40-21,282,590.88-8,453,030.16

Finding the Fourth Proportional to 15,422,504.40, 21,282,590.88 and 8,453,030.16

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Solution

The fourth proportional to 15,422,504.40, 21,282,590.88 and 8,453,030.16 is: 11,664,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,504.40 : 21,282,590.88 = 8,453,030.16 : x
  2. Step 2: Convert to fraction form
    15,422,504.40/21,282,590.88 = 8,453,030.16/x
  3. Step 3: Cross multiply
    15,422,504.40x = 21,282,590.88 × 8,453,030.16
  4. Step 4: Simplify right side
    15,422,504.40x = 179,902,382,591,580.94
  5. Step 5: Solve for x
    x = 179,902,382,591,580.94/15,422,504.40
  6. Step 6: Final answer
    x = 11,664,926.65

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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.