Home / 13,353,872.01-20,020,343.76-5,272,896.35

Finding the Fourth Proportional to 13,353,872.01, 20,020,343.76 and 5,272,896.35

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Solution

The fourth proportional to 13,353,872.01, 20,020,343.76 and 5,272,896.35 is: 7,905,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,872.01 : 20,020,343.76 = 5,272,896.35 : x
  2. Step 2: Convert to fraction form
    13,353,872.01/20,020,343.76 = 5,272,896.35/x
  3. Step 3: Cross multiply
    13,353,872.01x = 20,020,343.76 × 5,272,896.35
  4. Step 4: Simplify right side
    13,353,872.01x = 105,565,197,437,747.56
  5. Step 5: Solve for x
    x = 105,565,197,437,747.56/13,353,872.01
  6. Step 6: Final answer
    x = 7,905,212.61

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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.