Home / 30,375,622.96-41,918,470.80-16,436,978.20

Finding the Fourth Proportional to 30,375,622.96, 41,918,470.80 and 16,436,978.20

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Solution

The fourth proportional to 30,375,622.96, 41,918,470.80 and 16,436,978.20 is: 22,683,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375,622.96 : 41,918,470.80 = 16,436,978.20 : x
  2. Step 2: Convert to fraction form
    30,375,622.96/41,918,470.80 = 16,436,978.20/x
  3. Step 3: Cross multiply
    30,375,622.96x = 41,918,470.80 × 16,436,978.20
  4. Step 4: Simplify right side
    30,375,622.96x = 689,012,990,716,936.50
  5. Step 5: Solve for x
    x = 689,012,990,716,936.50/30,375,622.96
  6. Step 6: Final answer
    x = 22,683,090.04

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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.