Home / 8,333,636.70-12,562,917.36-7,778,114.81

Finding the Fourth Proportional to 8,333,636.70, 12,562,917.36 and 7,778,114.81

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Solution

The fourth proportional to 8,333,636.70, 12,562,917.36 and 7,778,114.81 is: 11,725,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,636.70 : 12,562,917.36 = 7,778,114.81 : x
  2. Step 2: Convert to fraction form
    8,333,636.70/12,562,917.36 = 7,778,114.81/x
  3. Step 3: Cross multiply
    8,333,636.70x = 12,562,917.36 × 7,778,114.81
  4. Step 4: Simplify right side
    8,333,636.70x = 97,715,813,511,807.50
  5. Step 5: Solve for x
    x = 97,715,813,511,807.50/8,333,636.70
  6. Step 6: Final answer
    x = 11,725,470.77

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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.