Home / 7,858,373.76-11,792,088-3,309,068.16

Finding the Fourth Proportional to 7,858,373.76, 11,792,088 and 3,309,068.16

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Solution

The fourth proportional to 7,858,373.76, 11,792,088 and 3,309,068.16 is: 4,965,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,373.76 : 11,792,088 = 3,309,068.16 : x
  2. Step 2: Convert to fraction form
    7,858,373.76/11,792,088 = 3,309,068.16/x
  3. Step 3: Cross multiply
    7,858,373.76x = 11,792,088 × 3,309,068.16
  4. Step 4: Simplify right side
    7,858,373.76x = 39,020,822,940,718.08
  5. Step 5: Solve for x
    x = 39,020,822,940,718.08/7,858,373.76
  6. Step 6: Final answer
    x = 4,965,508.66

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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.