Home / 20,392,293.92-28,142,108.22-11,099,415.02

Finding the Fourth Proportional to 20,392,293.92, 28,142,108.22 and 11,099,415.02

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Solution

The fourth proportional to 20,392,293.92, 28,142,108.22 and 11,099,415.02 is: 15,317,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392,293.92 : 28,142,108.22 = 11,099,415.02 : x
  2. Step 2: Convert to fraction form
    20,392,293.92/28,142,108.22 = 11,099,415.02/x
  3. Step 3: Cross multiply
    20,392,293.92x = 28,142,108.22 × 11,099,415.02
  4. Step 4: Simplify right side
    20,392,293.92x = 312,360,938,671,533.44
  5. Step 5: Solve for x
    x = 312,360,938,671,533.44/20,392,293.92
  6. Step 6: Final answer
    x = 15,317,596.93

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1.5x scale

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.