Home / 7,909,650-10,916,481.78-5,009,310.54

Finding the Fourth Proportional to 7,909,650, 10,916,481.78 and 5,009,310.54

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Solution

The fourth proportional to 7,909,650, 10,916,481.78 and 5,009,310.54 is: 6,913,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,650 : 10,916,481.78 = 5,009,310.54 : x
  2. Step 2: Convert to fraction form
    7,909,650/10,916,481.78 = 5,009,310.54/x
  3. Step 3: Cross multiply
    7,909,650x = 10,916,481.78 × 5,009,310.54
  4. Step 4: Simplify right side
    7,909,650x = 54,684,047,240,271.96
  5. Step 5: Solve for x
    x = 54,684,047,240,271.96/7,909,650
  6. Step 6: Final answer
    x = 6,913,586.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.