Home / 9,577,879.72-13,206,705.80-7,830,145.96

Finding the Fourth Proportional to 9,577,879.72, 13,206,705.80 and 7,830,145.96

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Solution

The fourth proportional to 9,577,879.72, 13,206,705.80 and 7,830,145.96 is: 10,796,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577,879.72 : 13,206,705.80 = 7,830,145.96 : x
  2. Step 2: Convert to fraction form
    9,577,879.72/13,206,705.80 = 7,830,145.96/x
  3. Step 3: Cross multiply
    9,577,879.72x = 13,206,705.80 × 7,830,145.96
  4. Step 4: Simplify right side
    9,577,879.72x = 103,410,434,064,778.58
  5. Step 5: Solve for x
    x = 103,410,434,064,778.58/9,577,879.72
  6. Step 6: Final answer
    x = 10,796,798.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.