Home / 12,615,372.45-17,409,220.95-6,814,154.16

Finding the Fourth Proportional to 12,615,372.45, 17,409,220.95 and 6,814,154.16

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Solution

The fourth proportional to 12,615,372.45, 17,409,220.95 and 6,814,154.16 is: 9,403,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,372.45 : 17,409,220.95 = 6,814,154.16 : x
  2. Step 2: Convert to fraction form
    12,615,372.45/17,409,220.95 = 6,814,154.16/x
  3. Step 3: Cross multiply
    12,615,372.45x = 17,409,220.95 × 6,814,154.16
  4. Step 4: Simplify right side
    12,615,372.45x = 118,629,115,358,801.66
  5. Step 5: Solve for x
    x = 118,629,115,358,801.66/12,615,372.45
  6. Step 6: Final answer
    x = 9,403,536.51

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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.