Home / 13,742,790.40-20,608,936.80-4,154,982.40

Finding the Fourth Proportional to 13,742,790.40, 20,608,936.80 and 4,154,982.40

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Solution

The fourth proportional to 13,742,790.40, 20,608,936.80 and 4,154,982.40 is: 6,230,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,790.40 : 20,608,936.80 = 4,154,982.40 : x
  2. Step 2: Convert to fraction form
    13,742,790.40/20,608,936.80 = 4,154,982.40/x
  3. Step 3: Cross multiply
    13,742,790.40x = 20,608,936.80 × 4,154,982.40
  4. Step 4: Simplify right side
    13,742,790.40x = 85,629,769,686,712.33
  5. Step 5: Solve for x
    x = 85,629,769,686,712.33/13,742,790.40
  6. Step 6: Final answer
    x = 6,230,886.68

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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.