Home / 12,935,586.80-19,419,354.60-8,143,266.80

Finding the Fourth Proportional to 12,935,586.80, 19,419,354.60 and 8,143,266.80

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Solution

The fourth proportional to 12,935,586.80, 19,419,354.60 and 8,143,266.80 is: 12,224,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,586.80 : 19,419,354.60 = 8,143,266.80 : x
  2. Step 2: Convert to fraction form
    12,935,586.80/19,419,354.60 = 8,143,266.80/x
  3. Step 3: Cross multiply
    12,935,586.80x = 19,419,354.60 × 8,143,266.80
  4. Step 4: Simplify right side
    12,935,586.80x = 158,136,985,591,607.28
  5. Step 5: Solve for x
    x = 158,136,985,591,607.28/12,935,586.80
  6. Step 6: Final answer
    x = 12,224,956.47

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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.