Home / 28,352,003.20-42,528,004.80-19,394,051.20

Finding the Fourth Proportional to 28,352,003.20, 42,528,004.80 and 19,394,051.20

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Solution

The fourth proportional to 28,352,003.20, 42,528,004.80 and 19,394,051.20 is: 29,091,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352,003.20 : 42,528,004.80 = 19,394,051.20 : x
  2. Step 2: Convert to fraction form
    28,352,003.20/42,528,004.80 = 19,394,051.20/x
  3. Step 3: Cross multiply
    28,352,003.20x = 42,528,004.80 × 19,394,051.20
  4. Step 4: Simplify right side
    28,352,003.20x = 824,790,302,525,045.62
  5. Step 5: Solve for x
    x = 824,790,302,525,045.62/28,352,003.20
  6. Step 6: Final answer
    x = 29,091,076.80

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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.