Home / 12,615,780.65-17,409,784.31-6,814,562.45

Finding the Fourth Proportional to 12,615,780.65, 17,409,784.31 and 6,814,562.45

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Solution

The fourth proportional to 12,615,780.65, 17,409,784.31 and 6,814,562.45 is: 9,404,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,780.65 : 17,409,784.31 = 6,814,562.45 : x
  2. Step 2: Convert to fraction form
    12,615,780.65/17,409,784.31 = 6,814,562.45/x
  3. Step 3: Cross multiply
    12,615,780.65x = 17,409,784.31 × 6,814,562.45
  4. Step 4: Simplify right side
    12,615,780.65x = 118,640,062,300,403.42
  5. Step 5: Solve for x
    x = 118,640,062,300,403.42/12,615,780.65
  6. Step 6: Final answer
    x = 9,404,099.96

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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.