Home / 13,590,906.90-20,386,360.35-12,961,050.90

Finding the Fourth Proportional to 13,590,906.90, 20,386,360.35 and 12,961,050.90

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Solution

The fourth proportional to 13,590,906.90, 20,386,360.35 and 12,961,050.90 is: 19,441,576.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,906.90 : 20,386,360.35 = 12,961,050.90 : x
  2. Step 2: Convert to fraction form
    13,590,906.90/20,386,360.35 = 12,961,050.90/x
  3. Step 3: Cross multiply
    13,590,906.90x = 20,386,360.35 × 12,961,050.90
  4. Step 4: Simplify right side
    13,590,906.90x = 264,228,654,162,091.84
  5. Step 5: Solve for x
    x = 264,228,654,162,091.84/13,590,906.90
  6. Step 6: Final answer
    x = 19,441,576.35

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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.