Home / 30,716,485.16-42,388,469.44-16,777,838.03

Finding the Fourth Proportional to 30,716,485.16, 42,388,469.44 and 16,777,838.03

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Solution

The fourth proportional to 30,716,485.16, 42,388,469.44 and 16,777,838.03 is: 23,153,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716,485.16 : 42,388,469.44 = 16,777,838.03 : x
  2. Step 2: Convert to fraction form
    30,716,485.16/42,388,469.44 = 16,777,838.03/x
  3. Step 3: Cross multiply
    30,716,485.16x = 42,388,469.44 × 16,777,838.03
  4. Step 4: Simplify right side
    30,716,485.16x = 711,186,874,350,037.75
  5. Step 5: Solve for x
    x = 711,186,874,350,037.75/30,716,485.16
  6. Step 6: Final answer
    x = 23,153,263.49

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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.