Home / 7,111,516.10-9,813,918.13-3,848,330.55

Finding the Fourth Proportional to 7,111,516.10, 9,813,918.13 and 3,848,330.55

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Solution

The fourth proportional to 7,111,516.10, 9,813,918.13 and 3,848,330.55 is: 5,310,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,516.10 : 9,813,918.13 = 3,848,330.55 : x
  2. Step 2: Convert to fraction form
    7,111,516.10/9,813,918.13 = 3,848,330.55/x
  3. Step 3: Cross multiply
    7,111,516.10x = 9,813,918.13 × 3,848,330.55
  4. Step 4: Simplify right side
    7,111,516.10x = 37,767,200,954,877.88
  5. Step 5: Solve for x
    x = 37,767,200,954,877.88/7,111,516.10
  6. Step 6: Final answer
    x = 5,310,710.18

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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.