Home / 30,697,238.52-42,362,324.46-16,946,315.64

Finding the Fourth Proportional to 30,697,238.52, 42,362,324.46 and 16,946,315.64

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Solution

The fourth proportional to 30,697,238.52, 42,362,324.46 and 16,946,315.64 is: 23,385,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697,238.52 : 42,362,324.46 = 16,946,315.64 : x
  2. Step 2: Convert to fraction form
    30,697,238.52/42,362,324.46 = 16,946,315.64/x
  3. Step 3: Cross multiply
    30,697,238.52x = 42,362,324.46 × 16,946,315.64
  4. Step 4: Simplify right side
    30,697,238.52x = 717,885,321,543,252.62
  5. Step 5: Solve for x
    x = 717,885,321,543,252.62/30,697,238.52
  6. Step 6: Final answer
    x = 23,385,990.28

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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.