Home / 8,465,728.77-12,696,678.16-3,914,297.46

Finding the Fourth Proportional to 8,465,728.77, 12,696,678.16 and 3,914,297.46

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Solution

The fourth proportional to 8,465,728.77, 12,696,678.16 and 3,914,297.46 is: 5,870,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465,728.77 : 12,696,678.16 = 3,914,297.46 : x
  2. Step 2: Convert to fraction form
    8,465,728.77/12,696,678.16 = 3,914,297.46/x
  3. Step 3: Cross multiply
    8,465,728.77x = 12,696,678.16 × 3,914,297.46
  4. Step 4: Simplify right side
    8,465,728.77x = 49,698,575,072,125.48
  5. Step 5: Solve for x
    x = 49,698,575,072,125.48/8,465,728.77
  6. Step 6: Final answer
    x = 5,870,560.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.