Home / 20,453,240.95-30,679,896.29-16,380,465.37

Finding the Fourth Proportional to 20,453,240.95, 30,679,896.29 and 16,380,465.37

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Solution

The fourth proportional to 20,453,240.95, 30,679,896.29 and 16,380,465.37 is: 24,570,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,240.95 : 30,679,896.29 = 16,380,465.37 : x
  2. Step 2: Convert to fraction form
    20,453,240.95/30,679,896.29 = 16,380,465.37/x
  3. Step 3: Cross multiply
    20,453,240.95x = 30,679,896.29 × 16,380,465.37
  4. Step 4: Simplify right side
    20,453,240.95x = 502,550,978,574,934.38
  5. Step 5: Solve for x
    x = 502,550,978,574,934.38/20,453,240.95
  6. Step 6: Final answer
    x = 24,570,725.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.