Home / 9,889,198.22-13,643,678.23-6,218,394.13

Finding the Fourth Proportional to 9,889,198.22, 13,643,678.23 and 6,218,394.13

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Solution

The fourth proportional to 9,889,198.22, 13,643,678.23 and 6,218,394.13 is: 8,579,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,198.22 : 13,643,678.23 = 6,218,394.13 : x
  2. Step 2: Convert to fraction form
    9,889,198.22/13,643,678.23 = 6,218,394.13/x
  3. Step 3: Cross multiply
    9,889,198.22x = 13,643,678.23 × 6,218,394.13
  4. Step 4: Simplify right side
    9,889,198.22x = 84,841,768,582,931.61
  5. Step 5: Solve for x
    x = 84,841,768,582,931.61/9,889,198.22
  6. Step 6: Final answer
    x = 8,579,236.32

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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.