Home / 13,334,843.10-18,402,171.81-7,223,271.54

Finding the Fourth Proportional to 13,334,843.10, 18,402,171.81 and 7,223,271.54

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Solution

The fourth proportional to 13,334,843.10, 18,402,171.81 and 7,223,271.54 is: 9,968,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,843.10 : 18,402,171.81 = 7,223,271.54 : x
  2. Step 2: Convert to fraction form
    13,334,843.10/18,402,171.81 = 7,223,271.54/x
  3. Step 3: Cross multiply
    13,334,843.10x = 18,402,171.81 × 7,223,271.54
  4. Step 4: Simplify right side
    13,334,843.10x = 132,923,883,909,363.28
  5. Step 5: Solve for x
    x = 132,923,883,909,363.28/13,334,843.10
  6. Step 6: Final answer
    x = 9,968,162.57

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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.