Home / 30,697,136.08-42,362,183.10-16,946,213.20

Finding the Fourth Proportional to 30,697,136.08, 42,362,183.10 and 16,946,213.20

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Solution

The fourth proportional to 30,697,136.08, 42,362,183.10 and 16,946,213.20 is: 23,385,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697,136.08 : 42,362,183.10 = 16,946,213.20 : x
  2. Step 2: Convert to fraction form
    30,697,136.08/42,362,183.10 = 16,946,213.20/x
  3. Step 3: Cross multiply
    30,697,136.08x = 42,362,183.10 × 16,946,213.20
  4. Step 4: Simplify right side
    30,697,136.08x = 717,878,586,493,576.75
  5. Step 5: Solve for x
    x = 717,878,586,493,576.75/30,697,136.08
  6. Step 6: Final answer
    x = 23,385,848.91

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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.