Home / 12,615,373.45-17,409,222.32-6,814,155.18

Finding the Fourth Proportional to 12,615,373.45, 17,409,222.32 and 6,814,155.18

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Solution

The fourth proportional to 12,615,373.45, 17,409,222.32 and 6,814,155.18 is: 9,403,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,373.45 : 17,409,222.32 = 6,814,155.18 : x
  2. Step 2: Convert to fraction form
    12,615,373.45/17,409,222.32 = 6,814,155.18/x
  3. Step 3: Cross multiply
    12,615,373.45x = 17,409,222.32 × 6,814,155.18
  4. Step 4: Simplify right side
    12,615,373.45x = 118,629,142,451,599.61
  5. Step 5: Solve for x
    x = 118,629,142,451,599.61/12,615,373.45
  6. Step 6: Final answer
    x = 9,403,537.91

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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.