Home / 20,127,269.80-30,190,904.70-16,938,623.80

Finding the Fourth Proportional to 20,127,269.80, 30,190,904.70 and 16,938,623.80

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Solution

The fourth proportional to 20,127,269.80, 30,190,904.70 and 16,938,623.80 is: 25,407,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,269.80 : 30,190,904.70 = 16,938,623.80 : x
  2. Step 2: Convert to fraction form
    20,127,269.80/30,190,904.70 = 16,938,623.80/x
  3. Step 3: Cross multiply
    20,127,269.80x = 30,190,904.70 × 16,938,623.80
  4. Step 4: Simplify right side
    20,127,269.80x = 511,392,376,894,951.88
  5. Step 5: Solve for x
    x = 511,392,376,894,951.88/20,127,269.80
  6. Step 6: Final answer
    x = 25,407,935.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.