Home / 5,312,111.13-7,968,237.71-1,668,722.22

Finding the Fourth Proportional to 5,312,111.13, 7,968,237.71 and 1,668,722.22

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Solution

The fourth proportional to 5,312,111.13, 7,968,237.71 and 1,668,722.22 is: 2,503,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,111.13 : 7,968,237.71 = 1,668,722.22 : x
  2. Step 2: Convert to fraction form
    5,312,111.13/7,968,237.71 = 1,668,722.22/x
  3. Step 3: Cross multiply
    5,312,111.13x = 7,968,237.71 × 1,668,722.22
  4. Step 4: Simplify right side
    5,312,111.13x = 13,296,775,312,575.30
  5. Step 5: Solve for x
    x = 13,296,775,312,575.30/5,312,111.13
  6. Step 6: Final answer
    x = 2,503,105.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.