Home / 7,001,505.64-9,661,838.92-3,861,893.72

Finding the Fourth Proportional to 7,001,505.64, 9,661,838.92 and 3,861,893.72

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Solution

The fourth proportional to 7,001,505.64, 9,661,838.92 and 3,861,893.72 is: 5,329,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,505.64 : 9,661,838.92 = 3,861,893.72 : x
  2. Step 2: Convert to fraction form
    7,001,505.64/9,661,838.92 = 3,861,893.72/x
  3. Step 3: Cross multiply
    7,001,505.64x = 9,661,838.92 × 3,861,893.72
  4. Step 4: Simplify right side
    7,001,505.64x = 37,312,995,048,799.59
  5. Step 5: Solve for x
    x = 37,312,995,048,799.59/7,001,505.64
  6. Step 6: Final answer
    x = 5,329,281.58

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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.