Home / 38,351,267.09-52,924,399.21-20,947,607.70

Finding the Fourth Proportional to 38,351,267.09, 52,924,399.21 and 20,947,607.70

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Solution

The fourth proportional to 38,351,267.09, 52,924,399.21 and 20,947,607.70 is: 28,907,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351,267.09 : 52,924,399.21 = 20,947,607.70 : x
  2. Step 2: Convert to fraction form
    38,351,267.09/52,924,399.21 = 20,947,607.70/x
  3. Step 3: Cross multiply
    38,351,267.09x = 52,924,399.21 × 20,947,607.70
  4. Step 4: Simplify right side
    38,351,267.09x = 1,108,639,552,409,269.88
  5. Step 5: Solve for x
    x = 1,108,639,552,409,269.88/38,351,267.09
  6. Step 6: Final answer
    x = 28,907,507.80

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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.