Home / 9,789,566.74-13,509,842.78-5,379,257.04

Finding the Fourth Proportional to 9,789,566.74, 13,509,842.78 and 5,379,257.04

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Solution

The fourth proportional to 9,789,566.74, 13,509,842.78 and 5,379,257.04 is: 7,423,506.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,566.74 : 13,509,842.78 = 5,379,257.04 : x
  2. Step 2: Convert to fraction form
    9,789,566.74/13,509,842.78 = 5,379,257.04/x
  3. Step 3: Cross multiply
    9,789,566.74x = 13,509,842.78 × 5,379,257.04
  4. Step 4: Simplify right side
    9,789,566.74x = 72,672,916,883,608.17
  5. Step 5: Solve for x
    x = 72,672,916,883,608.17/9,789,566.74
  6. Step 6: Final answer
    x = 7,423,506.97

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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.