Home / 7,028,313.40-10,542,470.10-4,191,628.60

Finding the Fourth Proportional to 7,028,313.40, 10,542,470.10 and 4,191,628.60

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Solution

The fourth proportional to 7,028,313.40, 10,542,470.10 and 4,191,628.60 is: 6,287,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,313.40 : 10,542,470.10 = 4,191,628.60 : x
  2. Step 2: Convert to fraction form
    7,028,313.40/10,542,470.10 = 4,191,628.60/x
  3. Step 3: Cross multiply
    7,028,313.40x = 10,542,470.10 × 4,191,628.60
  4. Step 4: Simplify right side
    7,028,313.40x = 44,190,119,185,804.86
  5. Step 5: Solve for x
    x = 44,190,119,185,804.86/7,028,313.40
  6. Step 6: Final answer
    x = 6,287,442.90

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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.