Home / 10,354,893.12-15,531,289.92-2,780,874.72

Finding the Fourth Proportional to 10,354,893.12, 15,531,289.92 and 2,780,874.72

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Solution

The fourth proportional to 10,354,893.12, 15,531,289.92 and 2,780,874.72 is: 4,171,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354,893.12 : 15,531,289.92 = 2,780,874.72 : x
  2. Step 2: Convert to fraction form
    10,354,893.12/15,531,289.92 = 2,780,874.72/x
  3. Step 3: Cross multiply
    10,354,893.12x = 15,531,289.92 × 2,780,874.72
  4. Step 4: Simplify right side
    10,354,893.12x = 43,190,571,507,518.83
  5. Step 5: Solve for x
    x = 43,190,571,507,518.83/10,354,893.12
  6. Step 6: Final answer
    x = 4,171,030.16

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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.