Home / 19,100,804.70-28,588,221.45-13,432,100.70

Finding the Fourth Proportional to 19,100,804.70, 28,588,221.45 and 13,432,100.70

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Solution

The fourth proportional to 19,100,804.70, 28,588,221.45 and 13,432,100.70 is: 20,103,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100,804.70 : 28,588,221.45 = 13,432,100.70 : x
  2. Step 2: Convert to fraction form
    19,100,804.70/28,588,221.45 = 13,432,100.70/x
  3. Step 3: Cross multiply
    19,100,804.70x = 28,588,221.45 × 13,432,100.70
  4. Step 4: Simplify right side
    19,100,804.70x = 383,999,869,350,300
  5. Step 5: Solve for x
    x = 383,999,869,350,300/19,100,804.70
  6. Step 6: Final answer
    x = 20,103,858.21

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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.