Home / 28,052,056.80-42,042,655.80-13,644,100.80

Finding the Fourth Proportional to 28,052,056.80, 42,042,655.80 and 13,644,100.80

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Solution

The fourth proportional to 28,052,056.80, 42,042,655.80 and 13,644,100.80 is: 20,448,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052,056.80 : 42,042,655.80 = 13,644,100.80 : x
  2. Step 2: Convert to fraction form
    28,052,056.80/42,042,655.80 = 13,644,100.80/x
  3. Step 3: Cross multiply
    28,052,056.80x = 42,042,655.80 × 13,644,100.80
  4. Step 4: Simplify right side
    28,052,056.80x = 573,634,233,634,904.62
  5. Step 5: Solve for x
    x = 573,634,233,634,904.62/28,052,056.80
  6. Step 6: Final answer
    x = 20,448,918.87

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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.