Home / 12,618,419.65-18,927,629.47-3,033,798.52

Finding the Fourth Proportional to 12,618,419.65, 18,927,629.47 and 3,033,798.52

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Solution

The fourth proportional to 12,618,419.65, 18,927,629.47 and 3,033,798.52 is: 4,550,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,419.65 : 18,927,629.47 = 3,033,798.52 : x
  2. Step 2: Convert to fraction form
    12,618,419.65/18,927,629.47 = 3,033,798.52/x
  3. Step 3: Cross multiply
    12,618,419.65x = 18,927,629.47 × 3,033,798.52
  4. Step 4: Simplify right side
    12,618,419.65x = 57,422,614,273,194.38
  5. Step 5: Solve for x
    x = 57,422,614,273,194.38/12,618,419.65
  6. Step 6: Final answer
    x = 4,550,697.78

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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.