Home / 30,151,038.68-41,606,739.94-16,918,981.54

Finding the Fourth Proportional to 30,151,038.68, 41,606,739.94 and 16,918,981.54

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Solution

The fourth proportional to 30,151,038.68, 41,606,739.94 and 16,918,981.54 is: 23,347,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151,038.68 : 41,606,739.94 = 16,918,981.54 : x
  2. Step 2: Convert to fraction form
    30,151,038.68/41,606,739.94 = 16,918,981.54/x
  3. Step 3: Cross multiply
    30,151,038.68x = 41,606,739.94 × 16,918,981.54
  4. Step 4: Simplify right side
    30,151,038.68x = 703,943,664,984,440.62
  5. Step 5: Solve for x
    x = 703,943,664,984,440.62/30,151,038.68
  6. Step 6: Final answer
    x = 23,347,244.27

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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.