Home / 38,598,969.78-53,267,503.74-20,958,615.83

Finding the Fourth Proportional to 38,598,969.78, 53,267,503.74 and 20,958,615.83

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Solution

The fourth proportional to 38,598,969.78, 53,267,503.74 and 20,958,615.83 is: 28,923,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,598,969.78 : 53,267,503.74 = 20,958,615.83 : x
  2. Step 2: Convert to fraction form
    38,598,969.78/53,267,503.74 = 20,958,615.83/x
  3. Step 3: Cross multiply
    38,598,969.78x = 53,267,503.74 × 20,958,615.83
  4. Step 4: Simplify right side
    38,598,969.78x = 1,116,413,147,109,748.12
  5. Step 5: Solve for x
    x = 1,116,413,147,109,748.12/38,598,969.78
  6. Step 6: Final answer
    x = 28,923,392.35

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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.