Home / 21,823,145.82-30,126,271.14-12,652,442.46

Finding the Fourth Proportional to 21,823,145.82, 30,126,271.14 and 12,652,442.46

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Solution

The fourth proportional to 21,823,145.82, 30,126,271.14 and 12,652,442.46 is: 17,466,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,823,145.82 : 30,126,271.14 = 12,652,442.46 : x
  2. Step 2: Convert to fraction form
    21,823,145.82/30,126,271.14 = 12,652,442.46/x
  3. Step 3: Cross multiply
    21,823,145.82x = 30,126,271.14 × 12,652,442.46
  4. Step 4: Simplify right side
    21,823,145.82x = 381,170,912,133,208.62
  5. Step 5: Solve for x
    x = 381,170,912,133,208.62/21,823,145.82
  6. Step 6: Final answer
    x = 17,466,359.58

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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.