Home / 9,840,900.54-13,580,448.60-5,489,986.86

Finding the Fourth Proportional to 9,840,900.54, 13,580,448.60 and 5,489,986.86

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Solution

The fourth proportional to 9,840,900.54, 13,580,448.60 and 5,489,986.86 is: 7,576,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840,900.54 : 13,580,448.60 = 5,489,986.86 : x
  2. Step 2: Convert to fraction form
    9,840,900.54/13,580,448.60 = 5,489,986.86/x
  3. Step 3: Cross multiply
    9,840,900.54x = 13,580,448.60 × 5,489,986.86
  4. Step 4: Simplify right side
    9,840,900.54x = 74,556,484,366,905.41
  5. Step 5: Solve for x
    x = 74,556,484,366,905.41/9,840,900.54
  6. Step 6: Final answer
    x = 7,576,185.13

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1.5x scale

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.