Home / 9,151,340.51-12,629,969.93-5,283,855.18

Finding the Fourth Proportional to 9,151,340.51, 12,629,969.93 and 5,283,855.18

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Solution

The fourth proportional to 9,151,340.51, 12,629,969.93 and 5,283,855.18 is: 7,292,366.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,340.51 : 12,629,969.93 = 5,283,855.18 : x
  2. Step 2: Convert to fraction form
    9,151,340.51/12,629,969.93 = 5,283,855.18/x
  3. Step 3: Cross multiply
    9,151,340.51x = 12,629,969.93 × 5,283,855.18
  4. Step 4: Simplify right side
    9,151,340.51x = 66,734,932,011,455.46
  5. Step 5: Solve for x
    x = 66,734,932,011,455.46/9,151,340.51
  6. Step 6: Final answer
    x = 7,292,366.84

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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.