Home / 38,351,562.40-52,924,841.60-20,947,918.60

Finding the Fourth Proportional to 38,351,562.40, 52,924,841.60 and 20,947,918.60

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Solution

The fourth proportional to 38,351,562.40, 52,924,841.60 and 20,947,918.60 is: 28,907,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,562.40 : 52,924,841.60 = 20,947,918.60 : x
  2. Step 2: Convert to fraction form
    38,351,562.40/52,924,841.60 = 20,947,918.60/x
  3. Step 3: Cross multiply
    38,351,562.40x = 52,924,841.60 × 20,947,918.60
  4. Step 4: Simplify right side
    38,351,562.40x = 1,108,665,273,754,693.88
  5. Step 5: Solve for x
    x = 1,108,665,273,754,693.88/38,351,562.40
  6. Step 6: Final answer
    x = 28,907,955.88

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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.