Home / 9,106,120.40-12,567,163.08-5,186,043.28

Finding the Fourth Proportional to 9,106,120.40, 12,567,163.08 and 5,186,043.28

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Solution

The fourth proportional to 9,106,120.40, 12,567,163.08 and 5,186,043.28 is: 7,157,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106,120.40 : 12,567,163.08 = 5,186,043.28 : x
  2. Step 2: Convert to fraction form
    9,106,120.40/12,567,163.08 = 5,186,043.28/x
  3. Step 3: Cross multiply
    9,106,120.40x = 12,567,163.08 × 5,186,043.28
  4. Step 4: Simplify right side
    9,106,120.40x = 65,173,851,639,698.11
  5. Step 5: Solve for x
    x = 65,173,851,639,698.11/9,106,120.40
  6. Step 6: Final answer
    x = 7,157,148.03

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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.