Home / 8,333,632.19-12,562,910.57-7,778,110.30

Finding the Fourth Proportional to 8,333,632.19, 12,562,910.57 and 7,778,110.30

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Solution

The fourth proportional to 8,333,632.19, 12,562,910.57 and 7,778,110.30 is: 11,725,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,632.19 : 12,562,910.57 = 7,778,110.30 : x
  2. Step 2: Convert to fraction form
    8,333,632.19/12,562,910.57 = 7,778,110.30/x
  3. Step 3: Cross multiply
    8,333,632.19x = 12,562,910.57 × 7,778,110.30
  4. Step 4: Simplify right side
    8,333,632.19x = 97,715,704,090,533.88
  5. Step 5: Solve for x
    x = 97,715,704,090,533.88/8,333,632.19
  6. Step 6: Final answer
    x = 11,725,463.98

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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.