Home / 19,609,009.60-29,382,021.60-18,475,268.80

Finding the Fourth Proportional to 19,609,009.60, 29,382,021.60 and 18,475,268.80

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Solution

The fourth proportional to 19,609,009.60, 29,382,021.60 and 18,475,268.80 is: 27,683,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609,009.60 : 29,382,021.60 = 18,475,268.80 : x
  2. Step 2: Convert to fraction form
    19,609,009.60/29,382,021.60 = 18,475,268.80/x
  3. Step 3: Cross multiply
    19,609,009.60x = 29,382,021.60 × 18,475,268.80
  4. Step 4: Simplify right side
    19,609,009.60x = 542,840,746,947,406.12
  5. Step 5: Solve for x
    x = 542,840,746,947,406.12/19,609,009.60
  6. Step 6: Final answer
    x = 27,683,231.23

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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.