Home / 12,307,025.28-18,462,287.52-3,788,071.68

Finding the Fourth Proportional to 12,307,025.28, 18,462,287.52 and 3,788,071.68

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Solution

The fourth proportional to 12,307,025.28, 18,462,287.52 and 3,788,071.68 is: 5,682,646.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,025.28 : 18,462,287.52 = 3,788,071.68 : x
  2. Step 2: Convert to fraction form
    12,307,025.28/18,462,287.52 = 3,788,071.68/x
  3. Step 3: Cross multiply
    12,307,025.28x = 18,462,287.52 × 3,788,071.68
  4. Step 4: Simplify right side
    12,307,025.28x = 69,936,468,502,529.44
  5. Step 5: Solve for x
    x = 69,936,468,502,529.44/12,307,025.28
  6. Step 6: Final answer
    x = 5,682,646.04

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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.