Home / 39,070,824-53,917,737.60-21,901,416

Finding the Fourth Proportional to 39,070,824, 53,917,737.60 and 21,901,416

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Solution

The fourth proportional to 39,070,824, 53,917,737.60 and 21,901,416 is: 30,223,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070,824 : 53,917,737.60 = 21,901,416 : x
  2. Step 2: Convert to fraction form
    39,070,824/53,917,737.60 = 21,901,416/x
  3. Step 3: Cross multiply
    39,070,824x = 53,917,737.60 × 21,901,416
  4. Step 4: Simplify right side
    39,070,824x = 1,180,874,800,956,441.75
  5. Step 5: Solve for x
    x = 1,180,874,800,956,441.75/39,070,824
  6. Step 6: Final answer
    x = 30,223,954.35

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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.