Home / 12,557,721.60-18,837,964.80-4,581,273.60

Finding the Fourth Proportional to 12,557,721.60, 18,837,964.80 and 4,581,273.60

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Solution

The fourth proportional to 12,557,721.60, 18,837,964.80 and 4,581,273.60 is: 6,872,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,721.60 : 18,837,964.80 = 4,581,273.60 : x
  2. Step 2: Convert to fraction form
    12,557,721.60/18,837,964.80 = 4,581,273.60/x
  3. Step 3: Cross multiply
    12,557,721.60x = 18,837,964.80 × 4,581,273.60
  4. Step 4: Simplify right side
    12,557,721.60x = 86,301,870,815,969.28
  5. Step 5: Solve for x
    x = 86,301,870,815,969.28/12,557,721.60
  6. Step 6: Final answer
    x = 6,872,414.72

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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.