Home / 30,804,021.83-42,507,866.01-16,862,679.96

Finding the Fourth Proportional to 30,804,021.83, 42,507,866.01 and 16,862,679.96

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Solution

The fourth proportional to 30,804,021.83, 42,507,866.01 and 16,862,679.96 is: 23,269,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804,021.83 : 42,507,866.01 = 16,862,679.96 : x
  2. Step 2: Convert to fraction form
    30,804,021.83/42,507,866.01 = 16,862,679.96/x
  3. Step 3: Cross multiply
    30,804,021.83x = 42,507,866.01 × 16,862,679.96
  4. Step 4: Simplify right side
    30,804,021.83x = 716,796,540,309,192.12
  5. Step 5: Solve for x
    x = 716,796,540,309,192.12/30,804,021.83
  6. Step 6: Final answer
    x = 23,269,576.43

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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.