Home / 7,641,881.22-10,545,864.60-4,157,295.91

Finding the Fourth Proportional to 7,641,881.22, 10,545,864.60 and 4,157,295.91

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Solution

The fourth proportional to 7,641,881.22, 10,545,864.60 and 4,157,295.91 is: 5,737,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,881.22 : 10,545,864.60 = 4,157,295.91 : x
  2. Step 2: Convert to fraction form
    7,641,881.22/10,545,864.60 = 4,157,295.91/x
  3. Step 3: Cross multiply
    7,641,881.22x = 10,545,864.60 × 4,157,295.91
  4. Step 4: Simplify right side
    7,641,881.22x = 43,842,279,768,993.79
  5. Step 5: Solve for x
    x = 43,842,279,768,993.79/7,641,881.22
  6. Step 6: Final answer
    x = 5,737,105.63

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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.