Home / 8,725,431.10-13,089,565.50-2,578,036.54

Finding the Fourth Proportional to 8,725,431.10, 13,089,565.50 and 2,578,036.54

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Solution

The fourth proportional to 8,725,431.10, 13,089,565.50 and 2,578,036.54 is: 3,867,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725,431.10 : 13,089,565.50 = 2,578,036.54 : x
  2. Step 2: Convert to fraction form
    8,725,431.10/13,089,565.50 = 2,578,036.54/x
  3. Step 3: Cross multiply
    8,725,431.10x = 13,089,565.50 × 2,578,036.54
  4. Step 4: Simplify right side
    8,725,431.10x = 33,745,378,151,723.37
  5. Step 5: Solve for x
    x = 33,745,378,151,723.37/8,725,431.10
  6. Step 6: Final answer
    x = 3,867,474.03

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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.