Home / 13,601,878.40-20,355,578.40-9,350,350.40

Finding the Fourth Proportional to 13,601,878.40, 20,355,578.40 and 9,350,350.40

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Solution

The fourth proportional to 13,601,878.40, 20,355,578.40 and 9,350,350.40 is: 13,993,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,878.40 : 20,355,578.40 = 9,350,350.40 : x
  2. Step 2: Convert to fraction form
    13,601,878.40/20,355,578.40 = 9,350,350.40/x
  3. Step 3: Cross multiply
    13,601,878.40x = 20,355,578.40 × 9,350,350.40
  4. Step 4: Simplify right side
    13,601,878.40x = 190,331,790,634,671.34
  5. Step 5: Solve for x
    x = 190,331,790,634,671.34/13,601,878.40
  6. Step 6: Final answer
    x = 13,993,051.92

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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.