Home / 19,111,982.58-28,648,290.90-8,327,273.22

Finding the Fourth Proportional to 19,111,982.58, 28,648,290.90 and 8,327,273.22

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Solution

The fourth proportional to 19,111,982.58, 28,648,290.90 and 8,327,273.22 is: 12,482,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111,982.58 : 28,648,290.90 = 8,327,273.22 : x
  2. Step 2: Convert to fraction form
    19,111,982.58/28,648,290.90 = 8,327,273.22/x
  3. Step 3: Cross multiply
    19,111,982.58x = 28,648,290.90 × 8,327,273.22
  4. Step 4: Simplify right side
    19,111,982.58x = 238,562,145,610,339.69
  5. Step 5: Solve for x
    x = 238,562,145,610,339.69/19,111,982.58
  6. Step 6: Final answer
    x = 12,482,333.77

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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.