Home / 8,333,620.11-12,562,892.31-7,778,098.17

Finding the Fourth Proportional to 8,333,620.11, 12,562,892.31 and 7,778,098.17

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Solution

The fourth proportional to 8,333,620.11, 12,562,892.31 and 7,778,098.17 is: 11,725,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333,620.11 : 12,562,892.31 = 7,778,098.17 : x
  2. Step 2: Convert to fraction form
    8,333,620.11/12,562,892.31 = 7,778,098.17/x
  3. Step 3: Cross multiply
    8,333,620.11x = 12,562,892.31 × 7,778,098.17
  4. Step 4: Simplify right side
    8,333,620.11x = 97,715,409,686,318.08
  5. Step 5: Solve for x
    x = 97,715,409,686,318.08/8,333,620.11
  6. Step 6: Final answer
    x = 11,725,445.65

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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.