Home / 37,907,139.49-52,307,429.07-21,387,525.64

Finding the Fourth Proportional to 37,907,139.49, 52,307,429.07 and 21,387,525.64

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Solution

The fourth proportional to 37,907,139.49, 52,307,429.07 and 21,387,525.64 is: 29,512,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,907,139.49 : 52,307,429.07 = 21,387,525.64 : x
  2. Step 2: Convert to fraction form
    37,907,139.49/52,307,429.07 = 21,387,525.64/x
  3. Step 3: Cross multiply
    37,907,139.49x = 52,307,429.07 × 21,387,525.64
  4. Step 4: Simplify right side
    37,907,139.49x = 1,118,726,480,397,106.38
  5. Step 5: Solve for x
    x = 1,118,726,480,397,106.38/37,907,139.49
  6. Step 6: Final answer
    x = 29,512,289.65

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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.