Home / 12,988,881.70-19,483,672.47-5,798,725.54

Finding the Fourth Proportional to 12,988,881.70, 19,483,672.47 and 5,798,725.54

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Solution

The fourth proportional to 12,988,881.70, 19,483,672.47 and 5,798,725.54 is: 8,698,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,881.70 : 19,483,672.47 = 5,798,725.54 : x
  2. Step 2: Convert to fraction form
    12,988,881.70/19,483,672.47 = 5,798,725.54/x
  3. Step 3: Cross multiply
    12,988,881.70x = 19,483,672.47 × 5,798,725.54
  4. Step 4: Simplify right side
    12,988,881.70x = 112,980,469,164,783.88
  5. Step 5: Solve for x
    x = 112,980,469,164,783.88/12,988,881.70
  6. Step 6: Final answer
    x = 8,698,244.53

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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.