Home / 13,353,926.55-20,051,885.03-7,685,222.55

Finding the Fourth Proportional to 13,353,926.55, 20,051,885.03 and 7,685,222.55

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Solution

The fourth proportional to 13,353,926.55, 20,051,885.03 and 7,685,222.55 is: 11,539,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,926.55 : 20,051,885.03 = 7,685,222.55 : x
  2. Step 2: Convert to fraction form
    13,353,926.55/20,051,885.03 = 7,685,222.55/x
  3. Step 3: Cross multiply
    13,353,926.55x = 20,051,885.03 × 7,685,222.55
  4. Step 4: Simplify right side
    13,353,926.55x = 154,103,198,964,137.31
  5. Step 5: Solve for x
    x = 154,103,198,964,137.31/13,353,926.55
  6. Step 6: Final answer
    x = 11,539,916.62

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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.