Home / 28,810,145.61-43,199,271.54-11,782,775.97

Finding the Fourth Proportional to 28,810,145.61, 43,199,271.54 and 11,782,775.97

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Solution

The fourth proportional to 28,810,145.61, 43,199,271.54 and 11,782,775.97 is: 17,667,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810,145.61 : 43,199,271.54 = 11,782,775.97 : x
  2. Step 2: Convert to fraction form
    28,810,145.61/43,199,271.54 = 11,782,775.97/x
  3. Step 3: Cross multiply
    28,810,145.61x = 43,199,271.54 × 11,782,775.97
  4. Step 4: Simplify right side
    28,810,145.61x = 509,007,338,623,016.94
  5. Step 5: Solve for x
    x = 509,007,338,623,016.94/28,810,145.61
  6. Step 6: Final answer
    x = 17,667,642.00

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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.