Home / 21,358,263.34-32,027,815.86-12,726,431.38

Finding the Fourth Proportional to 21,358,263.34, 32,027,815.86 and 12,726,431.38

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Solution

The fourth proportional to 21,358,263.34, 32,027,815.86 and 12,726,431.38 is: 19,083,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358,263.34 : 32,027,815.86 = 12,726,431.38 : x
  2. Step 2: Convert to fraction form
    21,358,263.34/32,027,815.86 = 12,726,431.38/x
  3. Step 3: Cross multiply
    21,358,263.34x = 32,027,815.86 × 12,726,431.38
  4. Step 4: Simplify right side
    21,358,263.34x = 407,599,800,793,565.69
  5. Step 5: Solve for x
    x = 407,599,800,793,565.69/21,358,263.34
  6. Step 6: Final answer
    x = 19,083,939.28

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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.