Home / 9,772,021.23-13,485,405.21-5,421,107.64

Finding the Fourth Proportional to 9,772,021.23, 13,485,405.21 and 5,421,107.64

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Solution

The fourth proportional to 9,772,021.23, 13,485,405.21 and 5,421,107.64 is: 7,481,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,021.23 : 13,485,405.21 = 5,421,107.64 : x
  2. Step 2: Convert to fraction form
    9,772,021.23/13,485,405.21 = 5,421,107.64/x
  3. Step 3: Cross multiply
    9,772,021.23x = 13,485,405.21 × 5,421,107.64
  4. Step 4: Simplify right side
    9,772,021.23x = 73,105,833,212,426.81
  5. Step 5: Solve for x
    x = 73,105,833,212,426.81/9,772,021.23
  6. Step 6: Final answer
    x = 7,481,137.37

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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.