Home / 28,083,683.36-42,145,080.41-9,889,344.03

Finding the Fourth Proportional to 28,083,683.36, 42,145,080.41 and 9,889,344.03

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Solution

The fourth proportional to 28,083,683.36, 42,145,080.41 and 9,889,344.03 is: 14,840,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,683.36 : 42,145,080.41 = 9,889,344.03 : x
  2. Step 2: Convert to fraction form
    28,083,683.36/42,145,080.41 = 9,889,344.03/x
  3. Step 3: Cross multiply
    28,083,683.36x = 42,145,080.41 × 9,889,344.03
  4. Step 4: Simplify right side
    28,083,683.36x = 416,787,199,473,643.25
  5. Step 5: Solve for x
    x = 416,787,199,473,643.25/28,083,683.36
  6. Step 6: Final answer
    x = 14,840,902.25

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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.