Home / 12,922,851.80-19,384,277.70-7,884,003.80

Finding the Fourth Proportional to 12,922,851.80, 19,384,277.70 and 7,884,003.80

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Solution

The fourth proportional to 12,922,851.80, 19,384,277.70 and 7,884,003.80 is: 11,826,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,851.80 : 19,384,277.70 = 7,884,003.80 : x
  2. Step 2: Convert to fraction form
    12,922,851.80/19,384,277.70 = 7,884,003.80/x
  3. Step 3: Cross multiply
    12,922,851.80x = 19,384,277.70 × 7,884,003.80
  4. Step 4: Simplify right side
    12,922,851.80x = 152,825,719,047,055.25
  5. Step 5: Solve for x
    x = 152,825,719,047,055.25/12,922,851.80
  6. Step 6: Final answer
    x = 11,826,005.70

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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.