Home / 20,723,232.40-31,084,848.60-20,325,101.20

Finding the Fourth Proportional to 20,723,232.40, 31,084,848.60 and 20,325,101.20

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Solution

The fourth proportional to 20,723,232.40, 31,084,848.60 and 20,325,101.20 is: 30,487,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,232.40 : 31,084,848.60 = 20,325,101.20 : x
  2. Step 2: Convert to fraction form
    20,723,232.40/31,084,848.60 = 20,325,101.20/x
  3. Step 3: Cross multiply
    20,723,232.40x = 31,084,848.60 × 20,325,101.20
  4. Step 4: Simplify right side
    20,723,232.40x = 631,802,693,581,678.38
  5. Step 5: Solve for x
    x = 631,802,693,581,678.38/20,723,232.40
  6. Step 6: Final answer
    x = 30,487,651.80

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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.