Home / 36,153,961.25-49,899,708.14-21,477,780.63

Finding the Fourth Proportional to 36,153,961.25, 49,899,708.14 and 21,477,780.63

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Solution

The fourth proportional to 36,153,961.25, 49,899,708.14 and 21,477,780.63 is: 29,643,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,153,961.25 : 49,899,708.14 = 21,477,780.63 : x
  2. Step 2: Convert to fraction form
    36,153,961.25/49,899,708.14 = 21,477,780.63/x
  3. Step 3: Cross multiply
    36,153,961.25x = 49,899,708.14 × 21,477,780.63
  4. Step 4: Simplify right side
    36,153,961.25x = 1,071,734,984,824,556.38
  5. Step 5: Solve for x
    x = 1,071,734,984,824,556.38/36,153,961.25
  6. Step 6: Final answer
    x = 29,643,639.26

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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.