Home / 20,902,108.99-31,363,435.09-9,395,706.03

Finding the Fourth Proportional to 20,902,108.99, 31,363,435.09 and 9,395,706.03

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Solution

The fourth proportional to 20,902,108.99, 31,363,435.09 and 9,395,706.03 is: 14,098,176.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,108.99 : 31,363,435.09 = 9,395,706.03 : x
  2. Step 2: Convert to fraction form
    20,902,108.99/31,363,435.09 = 9,395,706.03/x
  3. Step 3: Cross multiply
    20,902,108.99x = 31,363,435.09 × 9,395,706.03
  4. Step 4: Simplify right side
    20,902,108.99x = 294,681,616,271,064.81
  5. Step 5: Solve for x
    x = 294,681,616,271,064.81/20,902,108.99
  6. Step 6: Final answer
    x = 14,098,176.24

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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.