Home / 20,230,971.10-30,335,959.05-7,444,894.30

Finding the Fourth Proportional to 20,230,971.10, 30,335,959.05 and 7,444,894.30

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Solution

The fourth proportional to 20,230,971.10, 30,335,959.05 and 7,444,894.30 is: 11,163,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,971.10 : 30,335,959.05 = 7,444,894.30 : x
  2. Step 2: Convert to fraction form
    20,230,971.10/30,335,959.05 = 7,444,894.30/x
  3. Step 3: Cross multiply
    20,230,971.10x = 30,335,959.05 × 7,444,894.30
  4. Step 4: Simplify right side
    20,230,971.10x = 225,848,008,616,378.41
  5. Step 5: Solve for x
    x = 225,848,008,616,378.41/20,230,971.10
  6. Step 6: Final answer
    x = 11,163,478.39

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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.