Home / 21,541,340.80-32,307,666.36-7,889,825.98

Finding the Fourth Proportional to 21,541,340.80, 32,307,666.36 and 7,889,825.98

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Solution

The fourth proportional to 21,541,340.80, 32,307,666.36 and 7,889,825.98 is: 11,833,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,340.80 : 32,307,666.36 = 7,889,825.98 : x
  2. Step 2: Convert to fraction form
    21,541,340.80/32,307,666.36 = 7,889,825.98/x
  3. Step 3: Cross multiply
    21,541,340.80x = 32,307,666.36 × 7,889,825.98
  4. Step 4: Simplify right side
    21,541,340.80x = 254,901,865,400,300.03
  5. Step 5: Solve for x
    x = 254,901,865,400,300.03/21,541,340.80
  6. Step 6: Final answer
    x = 11,833,147.61

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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.