Home / 20,732,741.40-31,099,112.10-7,270,930.20

Finding the Fourth Proportional to 20,732,741.40, 31,099,112.10 and 7,270,930.20

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Solution

The fourth proportional to 20,732,741.40, 31,099,112.10 and 7,270,930.20 is: 10,906,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,741.40 : 31,099,112.10 = 7,270,930.20 : x
  2. Step 2: Convert to fraction form
    20,732,741.40/31,099,112.10 = 7,270,930.20/x
  3. Step 3: Cross multiply
    20,732,741.40x = 31,099,112.10 × 7,270,930.20
  4. Step 4: Simplify right side
    20,732,741.40x = 226,119,473,361,075.44
  5. Step 5: Solve for x
    x = 226,119,473,361,075.44/20,732,741.40
  6. Step 6: Final answer
    x = 10,906,395.30

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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.