Home / 7,430,992-11,148,360.72-2,112,208

Finding the Fourth Proportional to 7,430,992, 11,148,360.72 and 2,112,208

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Solution

The fourth proportional to 7,430,992, 11,148,360.72 and 2,112,208 is: 3,168,844.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430,992 : 11,148,360.72 = 2,112,208 : x
  2. Step 2: Convert to fraction form
    7,430,992/11,148,360.72 = 2,112,208/x
  3. Step 3: Cross multiply
    7,430,992x = 11,148,360.72 × 2,112,208
  4. Step 4: Simplify right side
    7,430,992x = 23,547,656,699,669.76
  5. Step 5: Solve for x
    x = 23,547,656,699,669.76/7,430,992
  6. Step 6: Final answer
    x = 3,168,844.31

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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.