Home / 30,923,391.53-42,674,792.01-16,986,034.54

Finding the Fourth Proportional to 30,923,391.53, 42,674,792.01 and 16,986,034.54

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Solution

The fourth proportional to 30,923,391.53, 42,674,792.01 and 16,986,034.54 is: 23,441,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923,391.53 : 42,674,792.01 = 16,986,034.54 : x
  2. Step 2: Convert to fraction form
    30,923,391.53/42,674,792.01 = 16,986,034.54/x
  3. Step 3: Cross multiply
    30,923,391.53x = 42,674,792.01 × 16,986,034.54
  4. Step 4: Simplify right side
    30,923,391.53x = 724,875,491,069,176
  5. Step 5: Solve for x
    x = 724,875,491,069,176/30,923,391.53
  6. Step 6: Final answer
    x = 23,441,008.74

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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.