Home / 20,304,048.20-30,456,072.30-17,280,739.40

Finding the Fourth Proportional to 20,304,048.20, 30,456,072.30 and 17,280,739.40

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Solution

The fourth proportional to 20,304,048.20, 30,456,072.30 and 17,280,739.40 is: 25,921,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304,048.20 : 30,456,072.30 = 17,280,739.40 : x
  2. Step 2: Convert to fraction form
    20,304,048.20/30,456,072.30 = 17,280,739.40/x
  3. Step 3: Cross multiply
    20,304,048.20x = 30,456,072.30 × 17,280,739.40
  4. Step 4: Simplify right side
    20,304,048.20x = 526,303,448,563,858.56
  5. Step 5: Solve for x
    x = 526,303,448,563,858.56/20,304,048.20
  6. Step 6: Final answer
    x = 25,921,109.10

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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.