Home / 12,995,183.40-17,927,723.79-7,835,678.61

Finding the Fourth Proportional to 12,995,183.40, 17,927,723.79 and 7,835,678.61

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Solution

The fourth proportional to 12,995,183.40, 17,927,723.79 and 7,835,678.61 is: 10,809,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995,183.40 : 17,927,723.79 = 7,835,678.61 : x
  2. Step 2: Convert to fraction form
    12,995,183.40/17,927,723.79 = 7,835,678.61/x
  3. Step 3: Cross multiply
    12,995,183.40x = 17,927,723.79 × 7,835,678.61
  4. Step 4: Simplify right side
    12,995,183.40x = 140,475,881,827,291.12
  5. Step 5: Solve for x
    x = 140,475,881,827,291.12/12,995,183.40
  6. Step 6: Final answer
    x = 10,809,842.19

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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.