Home / 21,855,299.46-30,164,262.21-13,035,316.74

Finding the Fourth Proportional to 21,855,299.46, 30,164,262.21 and 13,035,316.74

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Solution

The fourth proportional to 21,855,299.46, 30,164,262.21 and 13,035,316.74 is: 17,991,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,299.46 : 30,164,262.21 = 13,035,316.74 : x
  2. Step 2: Convert to fraction form
    21,855,299.46/30,164,262.21 = 13,035,316.74/x
  3. Step 3: Cross multiply
    21,855,299.46x = 30,164,262.21 × 13,035,316.74
  4. Step 4: Simplify right side
    21,855,299.46x = 393,200,712,135,762.44
  5. Step 5: Solve for x
    x = 393,200,712,135,762.44/21,855,299.46
  6. Step 6: Final answer
    x = 17,991,092.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.