Home / 12,808,349.84-19,193,512.44-7,120,750.16

Finding the Fourth Proportional to 12,808,349.84, 19,193,512.44 and 7,120,750.16

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Solution

The fourth proportional to 12,808,349.84, 19,193,512.44 and 7,120,750.16 is: 10,670,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808,349.84 : 19,193,512.44 = 7,120,750.16 : x
  2. Step 2: Convert to fraction form
    12,808,349.84/19,193,512.44 = 7,120,750.16/x
  3. Step 3: Cross multiply
    12,808,349.84x = 19,193,512.44 × 7,120,750.16
  4. Step 4: Simplify right side
    12,808,349.84x = 136,672,206,778,092
  5. Step 5: Solve for x
    x = 136,672,206,778,092/12,808,349.84
  6. Step 6: Final answer
    x = 10,670,555.42

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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.