Home / 28,083,683.86-42,145,081.16-9,889,344.54

Finding the Fourth Proportional to 28,083,683.86, 42,145,081.16 and 9,889,344.54

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Solution

The fourth proportional to 28,083,683.86, 42,145,081.16 and 9,889,344.54 is: 14,840,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,683.86 : 42,145,081.16 = 9,889,344.54 : x
  2. Step 2: Convert to fraction form
    28,083,683.86/42,145,081.16 = 9,889,344.54/x
  3. Step 3: Cross multiply
    28,083,683.86x = 42,145,081.16 × 9,889,344.54
  4. Step 4: Simplify right side
    28,083,683.86x = 416,787,227,997,330.75
  5. Step 5: Solve for x
    x = 416,787,227,997,330.75/28,083,683.86
  6. Step 6: Final answer
    x = 14,840,903.00

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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.