Home / 30,923,390.53-42,674,790.63-16,986,033.54

Finding the Fourth Proportional to 30,923,390.53, 42,674,790.63 and 16,986,033.54

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Solution

The fourth proportional to 30,923,390.53, 42,674,790.63 and 16,986,033.54 is: 23,441,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923,390.53 : 42,674,790.63 = 16,986,033.54 : x
  2. Step 2: Convert to fraction form
    30,923,390.53/42,674,790.63 = 16,986,033.54/x
  3. Step 3: Cross multiply
    30,923,390.53x = 42,674,790.63 × 16,986,033.54
  4. Step 4: Simplify right side
    30,923,390.53x = 724,875,424,953,657.75
  5. Step 5: Solve for x
    x = 724,875,424,953,657.75/30,923,390.53
  6. Step 6: Final answer
    x = 23,441,007.36

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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.