Home / 30,804,021.33-42,507,865.32-16,862,679.46

Finding the Fourth Proportional to 30,804,021.33, 42,507,865.32 and 16,862,679.46

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Solution

The fourth proportional to 30,804,021.33, 42,507,865.32 and 16,862,679.46 is: 23,269,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804,021.33 : 42,507,865.32 = 16,862,679.46 : x
  2. Step 2: Convert to fraction form
    30,804,021.33/42,507,865.32 = 16,862,679.46/x
  3. Step 3: Cross multiply
    30,804,021.33x = 42,507,865.32 × 16,862,679.46
  4. Step 4: Simplify right side
    30,804,021.33x = 716,796,507,457,344.88
  5. Step 5: Solve for x
    x = 716,796,507,457,344.88/30,804,021.33
  6. Step 6: Final answer
    x = 23,269,575.74

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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.