Home / 8,333,625.65-12,562,900.64-7,778,103.71

Finding the Fourth Proportional to 8,333,625.65, 12,562,900.64 and 7,778,103.71

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Solution

The fourth proportional to 8,333,625.65, 12,562,900.64 and 7,778,103.71 is: 11,725,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,625.65 : 12,562,900.64 = 7,778,103.71 : x
  2. Step 2: Convert to fraction form
    8,333,625.65/12,562,900.64 = 7,778,103.71/x
  3. Step 3: Cross multiply
    8,333,625.65x = 12,562,900.64 × 7,778,103.71
  4. Step 4: Simplify right side
    8,333,625.65x = 97,715,543,974,640.36
  5. Step 5: Solve for x
    x = 97,715,543,974,640.36/8,333,625.65
  6. Step 6: Final answer
    x = 11,725,453.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.