Home / 13,859,168.61-20,783,575.38-4,758,682.53

Finding the Fourth Proportional to 13,859,168.61, 20,783,575.38 and 4,758,682.53

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Solution

The fourth proportional to 13,859,168.61, 20,783,575.38 and 4,758,682.53 is: 7,136,246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859,168.61 : 20,783,575.38 = 4,758,682.53 : x
  2. Step 2: Convert to fraction form
    13,859,168.61/20,783,575.38 = 4,758,682.53/x
  3. Step 3: Cross multiply
    13,859,168.61x = 20,783,575.38 × 4,758,682.53
  4. Step 4: Simplify right side
    13,859,168.61x = 98,902,437,071,744.11
  5. Step 5: Solve for x
    x = 98,902,437,071,744.11/13,859,168.61
  6. Step 6: Final answer
    x = 7,136,246.04

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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.