Home / 30,853,438.08-42,576,822.72-16,914,316.56

Finding the Fourth Proportional to 30,853,438.08, 42,576,822.72 and 16,914,316.56

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Solution

The fourth proportional to 30,853,438.08, 42,576,822.72 and 16,914,316.56 is: 23,341,251.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853,438.08 : 42,576,822.72 = 16,914,316.56 : x
  2. Step 2: Convert to fraction form
    30,853,438.08/42,576,822.72 = 16,914,316.56/x
  3. Step 3: Cross multiply
    30,853,438.08x = 42,576,822.72 × 16,914,316.56
  4. Step 4: Simplify right side
    30,853,438.08x = 720,157,857,605,080.12
  5. Step 5: Solve for x
    x = 720,157,857,605,080.12/30,853,438.08
  6. Step 6: Final answer
    x = 23,341,251.49

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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.