Home / 13,308,907.70-19,963,361.55-4,786,168.70

Finding the Fourth Proportional to 13,308,907.70, 19,963,361.55 and 4,786,168.70

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Solution

The fourth proportional to 13,308,907.70, 19,963,361.55 and 4,786,168.70 is: 7,179,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,907.70 : 19,963,361.55 = 4,786,168.70 : x
  2. Step 2: Convert to fraction form
    13,308,907.70/19,963,361.55 = 4,786,168.70/x
  3. Step 3: Cross multiply
    13,308,907.70x = 19,963,361.55 × 4,786,168.70
  4. Step 4: Simplify right side
    13,308,907.70x = 95,548,016,197,393.50
  5. Step 5: Solve for x
    x = 95,548,016,197,393.50/13,308,907.70
  6. Step 6: Final answer
    x = 7,179,253.05

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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.