Home / 8,921,768.32-12,311,639.04-5,054,210.56

Finding the Fourth Proportional to 8,921,768.32, 12,311,639.04 and 5,054,210.56

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Solution

The fourth proportional to 8,921,768.32, 12,311,639.04 and 5,054,210.56 is: 6,974,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,768.32 : 12,311,639.04 = 5,054,210.56 : x
  2. Step 2: Convert to fraction form
    8,921,768.32/12,311,639.04 = 5,054,210.56/x
  3. Step 3: Cross multiply
    8,921,768.32x = 12,311,639.04 × 5,054,210.56
  4. Step 4: Simplify right side
    8,921,768.32x = 62,225,616,046,876.25
  5. Step 5: Solve for x
    x = 62,225,616,046,876.25/8,921,768.32
  6. Step 6: Final answer
    x = 6,974,583.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.