Home / 11,904,501.86-16,422,156.19-7,776,949.04

Finding the Fourth Proportional to 11,904,501.86, 16,422,156.19 and 7,776,949.04

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Solution

The fourth proportional to 11,904,501.86, 16,422,156.19 and 7,776,949.04 is: 10,728,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904,501.86 : 16,422,156.19 = 7,776,949.04 : x
  2. Step 2: Convert to fraction form
    11,904,501.86/16,422,156.19 = 7,776,949.04/x
  3. Step 3: Cross multiply
    11,904,501.86x = 16,422,156.19 × 7,776,949.04
  4. Step 4: Simplify right side
    11,904,501.86x = 127,714,271,873,800.16
  5. Step 5: Solve for x
    x = 127,714,271,873,800.16/11,904,501.86
  6. Step 6: Final answer
    x = 10,728,233.18

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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.