Home / 5,312,100.63-7,968,221.96-1,668,711.72

Finding the Fourth Proportional to 5,312,100.63, 7,968,221.96 and 1,668,711.72

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Solution

The fourth proportional to 5,312,100.63, 7,968,221.96 and 1,668,711.72 is: 2,503,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,100.63 : 7,968,221.96 = 1,668,711.72 : x
  2. Step 2: Convert to fraction form
    5,312,100.63/7,968,221.96 = 1,668,711.72/x
  3. Step 3: Cross multiply
    5,312,100.63x = 7,968,221.96 × 1,668,711.72
  4. Step 4: Simplify right side
    5,312,100.63x = 13,296,665,363,869.81
  5. Step 5: Solve for x
    x = 13,296,665,363,869.81/5,312,100.63
  6. Step 6: Final answer
    x = 2,503,089.89

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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.