Home / 30,468,238.31-42,046,164.29-17,415,777.47

Finding the Fourth Proportional to 30,468,238.31, 42,046,164.29 and 17,415,777.47

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Solution

The fourth proportional to 30,468,238.31, 42,046,164.29 and 17,415,777.47 is: 24,033,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,238.31 : 42,046,164.29 = 17,415,777.47 : x
  2. Step 2: Convert to fraction form
    30,468,238.31/42,046,164.29 = 17,415,777.47/x
  3. Step 3: Cross multiply
    30,468,238.31x = 42,046,164.29 × 17,415,777.47
  4. Step 4: Simplify right side
    30,468,238.31x = 732,266,640,444,390.75
  5. Step 5: Solve for x
    x = 732,266,640,444,390.75/30,468,238.31
  6. Step 6: Final answer
    x = 24,033,770.29

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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.