Home / 9,047,428.84-12,485,578.09-4,917,458.68

Finding the Fourth Proportional to 9,047,428.84, 12,485,578.09 and 4,917,458.68

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Solution

The fourth proportional to 9,047,428.84, 12,485,578.09 and 4,917,458.68 is: 6,786,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047,428.84 : 12,485,578.09 = 4,917,458.68 : x
  2. Step 2: Convert to fraction form
    9,047,428.84/12,485,578.09 = 4,917,458.68/x
  3. Step 3: Cross multiply
    9,047,428.84x = 12,485,578.09 × 4,917,458.68
  4. Step 4: Simplify right side
    9,047,428.84x = 61,397,314,291,060.43
  5. Step 5: Solve for x
    x = 61,397,314,291,060.43/9,047,428.84
  6. Step 6: Final answer
    x = 6,786,161.62

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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.