Home / 7,963,984.70-10,991,141.67-4,868,320.37

Finding the Fourth Proportional to 7,963,984.70, 10,991,141.67 and 4,868,320.37

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Solution

The fourth proportional to 7,963,984.70, 10,991,141.67 and 4,868,320.37 is: 6,718,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963,984.70 : 10,991,141.67 = 4,868,320.37 : x
  2. Step 2: Convert to fraction form
    7,963,984.70/10,991,141.67 = 4,868,320.37/x
  3. Step 3: Cross multiply
    7,963,984.70x = 10,991,141.67 × 4,868,320.37
  4. Step 4: Simplify right side
    7,963,984.70x = 53,508,398,802,319.51
  5. Step 5: Solve for x
    x = 53,508,398,802,319.51/7,963,984.70
  6. Step 6: Final answer
    x = 6,718,797.29

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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.