Home / 7,818,955.96-10,783,761.52-5,503,513.45

Finding the Fourth Proportional to 7,818,955.96, 10,783,761.52 and 5,503,513.45

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Solution

The fourth proportional to 7,818,955.96, 10,783,761.52 and 5,503,513.45 is: 7,590,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,955.96 : 10,783,761.52 = 5,503,513.45 : x
  2. Step 2: Convert to fraction form
    7,818,955.96/10,783,761.52 = 5,503,513.45/x
  3. Step 3: Cross multiply
    7,818,955.96x = 10,783,761.52 × 5,503,513.45
  4. Step 4: Simplify right side
    7,818,955.96x = 59,348,576,566,912.45
  5. Step 5: Solve for x
    x = 59,348,576,566,912.45/7,818,955.96
  6. Step 6: Final answer
    x = 7,590,345.42

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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.