Home / 8,685,312.06-11,987,168.06-4,819,078.78

Finding the Fourth Proportional to 8,685,312.06, 11,987,168.06 and 4,819,078.78

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Solution

The fourth proportional to 8,685,312.06, 11,987,168.06 and 4,819,078.78 is: 6,651,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,312.06 : 11,987,168.06 = 4,819,078.78 : x
  2. Step 2: Convert to fraction form
    8,685,312.06/11,987,168.06 = 4,819,078.78/x
  3. Step 3: Cross multiply
    8,685,312.06x = 11,987,168.06 × 4,819,078.78
  4. Step 4: Simplify right side
    8,685,312.06x = 57,767,107,230,239.77
  5. Step 5: Solve for x
    x = 57,767,107,230,239.77/8,685,312.06
  6. Step 6: Final answer
    x = 6,651,126.27

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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.