Home / 7,099,318.98-9,797,838.54-4,119,678.72

Finding the Fourth Proportional to 7,099,318.98, 9,797,838.54 and 4,119,678.72

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Solution

The fourth proportional to 7,099,318.98, 9,797,838.54 and 4,119,678.72 is: 5,685,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,318.98 : 9,797,838.54 = 4,119,678.72 : x
  2. Step 2: Convert to fraction form
    7,099,318.98/9,797,838.54 = 4,119,678.72/x
  3. Step 3: Cross multiply
    7,099,318.98x = 9,797,838.54 × 4,119,678.72
  4. Step 4: Simplify right side
    7,099,318.98x = 40,363,946,935,233.87
  5. Step 5: Solve for x
    x = 40,363,946,935,233.87/7,099,318.98
  6. Step 6: Final answer
    x = 5,685,608.30

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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.