Home / 8,907,880.29-13,371,269.22-7,889,819.51

Finding the Fourth Proportional to 8,907,880.29, 13,371,269.22 and 7,889,819.51

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Solution

The fourth proportional to 8,907,880.29, 13,371,269.22 and 7,889,819.51 is: 11,843,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,880.29 : 13,371,269.22 = 7,889,819.51 : x
  2. Step 2: Convert to fraction form
    8,907,880.29/13,371,269.22 = 7,889,819.51/x
  3. Step 3: Cross multiply
    8,907,880.29x = 13,371,269.22 × 7,889,819.51
  4. Step 4: Simplify right side
    8,907,880.29x = 105,496,900,725,969.38
  5. Step 5: Solve for x
    x = 105,496,900,725,969.38/8,907,880.29
  6. Step 6: Final answer
    x = 11,843,098.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.