Home / 13,580,725.74-20,370,792.69-6,388,272.96

Finding the Fourth Proportional to 13,580,725.74, 20,370,792.69 and 6,388,272.96

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Solution

The fourth proportional to 13,580,725.74, 20,370,792.69 and 6,388,272.96 is: 9,582,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,725.74 : 20,370,792.69 = 6,388,272.96 : x
  2. Step 2: Convert to fraction form
    13,580,725.74/20,370,792.69 = 6,388,272.96/x
  3. Step 3: Cross multiply
    13,580,725.74x = 20,370,792.69 × 6,388,272.96
  4. Step 4: Simplify right side
    13,580,725.74x = 130,134,184,115,292.67
  5. Step 5: Solve for x
    x = 130,134,184,115,292.67/13,580,725.74
  6. Step 6: Final answer
    x = 9,582,270.24

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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.