Home / 30,804,022.58-42,507,867.05-16,862,680.72

Finding the Fourth Proportional to 30,804,022.58, 42,507,867.05 and 16,862,680.72

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Solution

The fourth proportional to 30,804,022.58, 42,507,867.05 and 16,862,680.72 is: 23,269,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804,022.58 : 42,507,867.05 = 16,862,680.72 : x
  2. Step 2: Convert to fraction form
    30,804,022.58/42,507,867.05 = 16,862,680.72/x
  3. Step 3: Cross multiply
    30,804,022.58x = 42,507,867.05 × 16,862,680.72
  4. Step 4: Simplify right side
    30,804,022.58x = 716,796,589,855,505.50
  5. Step 5: Solve for x
    x = 716,796,589,855,505.50/30,804,022.58
  6. Step 6: Final answer
    x = 23,269,577.47

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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.