Home / 7,405,905.66-11,105,986.50-2,547,288.33

Finding the Fourth Proportional to 7,405,905.66, 11,105,986.50 and 2,547,288.33

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Solution

The fourth proportional to 7,405,905.66, 11,105,986.50 and 2,547,288.33 is: 3,819,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,905.66 : 11,105,986.50 = 2,547,288.33 : x
  2. Step 2: Convert to fraction form
    7,405,905.66/11,105,986.50 = 2,547,288.33/x
  3. Step 3: Cross multiply
    7,405,905.66x = 11,105,986.50 × 2,547,288.33
  4. Step 4: Simplify right side
    7,405,905.66x = 28,290,149,804,587.55
  5. Step 5: Solve for x
    x = 28,290,149,804,587.55/7,405,905.66
  6. Step 6: Final answer
    x = 3,819,944.66

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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.