Home / 12,155,410.13-16,758,050.63-7,796,929.91

Finding the Fourth Proportional to 12,155,410.13, 16,758,050.63 and 7,796,929.91

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Solution

The fourth proportional to 12,155,410.13, 16,758,050.63 and 7,796,929.91 is: 10,749,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155,410.13 : 16,758,050.63 = 7,796,929.91 : x
  2. Step 2: Convert to fraction form
    12,155,410.13/16,758,050.63 = 7,796,929.91/x
  3. Step 3: Cross multiply
    12,155,410.13x = 16,758,050.63 × 7,796,929.91
  4. Step 4: Simplify right side
    12,155,410.13x = 130,661,346,067,566.44
  5. Step 5: Solve for x
    x = 130,661,346,067,566.44/12,155,410.13
  6. Step 6: Final answer
    x = 10,749,233.86

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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.