Home / 12,615,818.81-17,409,836.84-6,814,600.56

Finding the Fourth Proportional to 12,615,818.81, 17,409,836.84 and 6,814,600.56

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Solution

The fourth proportional to 12,615,818.81, 17,409,836.84 and 6,814,600.56 is: 9,404,152.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,818.81 : 17,409,836.84 = 6,814,600.56 : x
  2. Step 2: Convert to fraction form
    12,615,818.81/17,409,836.84 = 6,814,600.56/x
  3. Step 3: Cross multiply
    12,615,818.81x = 17,409,836.84 × 6,814,600.56
  4. Step 4: Simplify right side
    12,615,818.81x = 118,641,083,845,299.62
  5. Step 5: Solve for x
    x = 118,641,083,845,299.62/12,615,818.81
  6. Step 6: Final answer
    x = 9,404,152.49

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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.