Home / 30,409,704.21-41,966,440.71-16,658,669.55

Finding the Fourth Proportional to 30,409,704.21, 41,966,440.71 and 16,658,669.55

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Solution

The fourth proportional to 30,409,704.21, 41,966,440.71 and 16,658,669.55 is: 22,989,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409,704.21 : 41,966,440.71 = 16,658,669.55 : x
  2. Step 2: Convert to fraction form
    30,409,704.21/41,966,440.71 = 16,658,669.55/x
  3. Step 3: Cross multiply
    30,409,704.21x = 41,966,440.71 × 16,658,669.55
  4. Step 4: Simplify right side
    30,409,704.21x = 699,105,067,977,557.38
  5. Step 5: Solve for x
    x = 699,105,067,977,557.38/30,409,704.21
  6. Step 6: Final answer
    x = 22,989,538.57

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1.5x scale

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.