Home / 8,631,449.82-12,943,043.72-4,078,699.02

Finding the Fourth Proportional to 8,631,449.82, 12,943,043.72 and 4,078,699.02

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Solution

The fourth proportional to 8,631,449.82, 12,943,043.72 and 4,078,699.02 is: 6,116,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,449.82 : 12,943,043.72 = 4,078,699.02 : x
  2. Step 2: Convert to fraction form
    8,631,449.82/12,943,043.72 = 4,078,699.02/x
  3. Step 3: Cross multiply
    8,631,449.82x = 12,943,043.72 × 4,078,699.02
  4. Step 4: Simplify right side
    8,631,449.82x = 52,790,779,736,581.16
  5. Step 5: Solve for x
    x = 52,790,779,736,581.16/8,631,449.82
  6. Step 6: Final answer
    x = 6,116,096.47

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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.