Home / 8,333,618.74-12,562,890.23-7,778,096.79

Finding the Fourth Proportional to 8,333,618.74, 12,562,890.23 and 7,778,096.79

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Solution

The fourth proportional to 8,333,618.74, 12,562,890.23 and 7,778,096.79 is: 11,725,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,618.74 : 12,562,890.23 = 7,778,096.79 : x
  2. Step 2: Convert to fraction form
    8,333,618.74/12,562,890.23 = 7,778,096.79/x
  3. Step 3: Cross multiply
    8,333,618.74x = 12,562,890.23 × 7,778,096.79
  4. Step 4: Simplify right side
    8,333,618.74x = 97,715,376,171,085.36
  5. Step 5: Solve for x
    x = 97,715,376,171,085.36/8,333,618.74
  6. Step 6: Final answer
    x = 11,725,443.57

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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.