Home / 20,861,477.07-31,296,693.38-7,029,802.25

Finding the Fourth Proportional to 20,861,477.07, 31,296,693.38 and 7,029,802.25

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Solution

The fourth proportional to 20,861,477.07, 31,296,693.38 and 7,029,802.25 is: 10,546,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,477.07 : 31,296,693.38 = 7,029,802.25 : x
  2. Step 2: Convert to fraction form
    20,861,477.07/31,296,693.38 = 7,029,802.25/x
  3. Step 3: Cross multiply
    20,861,477.07x = 31,296,693.38 × 7,029,802.25
  4. Step 4: Simplify right side
    20,861,477.07x = 220,009,565,348,651.62
  5. Step 5: Solve for x
    x = 220,009,565,348,651.62/20,861,477.07
  6. Step 6: Final answer
    x = 10,546,212.27

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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.