Home / 7,671,936.09-11,509,420.12-2,814,287.69

Finding the Fourth Proportional to 7,671,936.09, 11,509,420.12 and 2,814,287.69

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Solution

The fourth proportional to 7,671,936.09, 11,509,420.12 and 2,814,287.69 is: 4,221,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671,936.09 : 11,509,420.12 = 2,814,287.69 : x
  2. Step 2: Convert to fraction form
    7,671,936.09/11,509,420.12 = 2,814,287.69/x
  3. Step 3: Cross multiply
    7,671,936.09x = 11,509,420.12 × 2,814,287.69
  4. Step 4: Simplify right side
    7,671,936.09x = 32,390,819,400,322.52
  5. Step 5: Solve for x
    x = 32,390,819,400,322.52/7,671,936.09
  6. Step 6: Final answer
    x = 4,221,987.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.