Home / 30,468,239.79-42,046,166.37-17,415,778.98

Finding the Fourth Proportional to 30,468,239.79, 42,046,166.37 and 17,415,778.98

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Solution

The fourth proportional to 30,468,239.79, 42,046,166.37 and 17,415,778.98 is: 24,033,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,468,239.79 : 42,046,166.37 = 17,415,778.98 : x
  2. Step 2: Convert to fraction form
    30,468,239.79/42,046,166.37 = 17,415,778.98/x
  3. Step 3: Cross multiply
    30,468,239.79x = 42,046,166.37 × 17,415,778.98
  4. Step 4: Simplify right side
    30,468,239.79x = 732,266,740,456,228.88
  5. Step 5: Solve for x
    x = 732,266,740,456,228.88/30,468,239.79
  6. Step 6: Final answer
    x = 24,033,772.40

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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.