Home / 20,342,840.20-30,564,026.70-15,303,992.20

Finding the Fourth Proportional to 20,342,840.20, 30,564,026.70 and 15,303,992.20

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Solution

The fourth proportional to 20,342,840.20, 30,564,026.70 and 15,303,992.20 is: 22,993,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,840.20 : 30,564,026.70 = 15,303,992.20 : x
  2. Step 2: Convert to fraction form
    20,342,840.20/30,564,026.70 = 15,303,992.20/x
  3. Step 3: Cross multiply
    20,342,840.20x = 30,564,026.70 × 15,303,992.20
  4. Step 4: Simplify right side
    20,342,840.20x = 467,751,626,217,391.69
  5. Step 5: Solve for x
    x = 467,751,626,217,391.69/20,342,840.20
  6. Step 6: Final answer
    x = 22,993,427.74

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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.