Home / 28,051,971.30-42,042,527.55-13,644,015.30

Finding the Fourth Proportional to 28,051,971.30, 42,042,527.55 and 13,644,015.30

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Solution

The fourth proportional to 28,051,971.30, 42,042,527.55 and 13,644,015.30 is: 20,448,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051,971.30 : 42,042,527.55 = 13,644,015.30 : x
  2. Step 2: Convert to fraction form
    28,051,971.30/42,042,527.55 = 13,644,015.30/x
  3. Step 3: Cross multiply
    28,051,971.30x = 42,042,527.55 × 13,644,015.30
  4. Step 4: Simplify right side
    28,051,971.30x = 573,628,889,142,871.50
  5. Step 5: Solve for x
    x = 573,628,889,142,871.50/28,051,971.30
  6. Step 6: Final answer
    x = 20,448,790.68

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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.