Home / 12,615,372.45-17,409,220.94-6,814,154.18

Finding the Fourth Proportional to 12,615,372.45, 17,409,220.94 and 6,814,154.18

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Solution

The fourth proportional to 12,615,372.45, 17,409,220.94 and 6,814,154.18 is: 9,403,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,372.45 : 17,409,220.94 = 6,814,154.18 : x
  2. Step 2: Convert to fraction form
    12,615,372.45/17,409,220.94 = 6,814,154.18/x
  3. Step 3: Cross multiply
    12,615,372.45x = 17,409,220.94 × 6,814,154.18
  4. Step 4: Simplify right side
    12,615,372.45x = 118,629,115,699,402.97
  5. Step 5: Solve for x
    x = 118,629,115,699,402.97/12,615,372.45
  6. Step 6: Final answer
    x = 9,403,536.53

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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.