Home / 5,335,038.12-8,004,055.58-2,142,406.31

Finding the Fourth Proportional to 5,335,038.12, 8,004,055.58 and 2,142,406.31

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Solution

The fourth proportional to 5,335,038.12, 8,004,055.58 and 2,142,406.31 is: 3,214,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335,038.12 : 8,004,055.58 = 2,142,406.31 : x
  2. Step 2: Convert to fraction form
    5,335,038.12/8,004,055.58 = 2,142,406.31/x
  3. Step 3: Cross multiply
    5,335,038.12x = 8,004,055.58 × 2,142,406.31
  4. Step 4: Simplify right side
    5,335,038.12x = 17,147,939,176,481.72
  5. Step 5: Solve for x
    x = 17,147,939,176,481.72/5,335,038.12
  6. Step 6: Final answer
    x = 3,214,211.18

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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.