Home / 13,697,630.20-20,507,123.70-13,304,414.20

Finding the Fourth Proportional to 13,697,630.20, 20,507,123.70 and 13,304,414.20

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Solution

The fourth proportional to 13,697,630.20, 20,507,123.70 and 13,304,414.20 is: 19,918,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,630.20 : 20,507,123.70 = 13,304,414.20 : x
  2. Step 2: Convert to fraction form
    13,697,630.20/20,507,123.70 = 13,304,414.20/x
  3. Step 3: Cross multiply
    13,697,630.20x = 20,507,123.70 × 13,304,414.20
  4. Step 4: Simplify right side
    13,697,630.20x = 272,835,267,755,436.50
  5. Step 5: Solve for x
    x = 272,835,267,755,436.50/13,697,630.20
  6. Step 6: Final answer
    x = 19,918,428.50

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1.5x scale

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.