Home / 25,899,136.40-38,848,704.60-12,462,208.40

Finding the Fourth Proportional to 25,899,136.40, 38,848,704.60 and 12,462,208.40

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Solution

The fourth proportional to 25,899,136.40, 38,848,704.60 and 12,462,208.40 is: 18,693,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899,136.40 : 38,848,704.60 = 12,462,208.40 : x
  2. Step 2: Convert to fraction form
    25,899,136.40/38,848,704.60 = 12,462,208.40/x
  3. Step 3: Cross multiply
    25,899,136.40x = 38,848,704.60 × 12,462,208.40
  4. Step 4: Simplify right side
    25,899,136.40x = 484,140,652,795,238.69
  5. Step 5: Solve for x
    x = 484,140,652,795,238.69/25,899,136.40
  6. Step 6: Final answer
    x = 18,693,312.60

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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.