Home / 28,780,017.48-43,192,412.86-20,087,648.84

Finding the Fourth Proportional to 28,780,017.48, 43,192,412.86 and 20,087,648.84

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Solution

The fourth proportional to 28,780,017.48, 43,192,412.86 and 20,087,648.84 is: 30,147,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780,017.48 : 43,192,412.86 = 20,087,648.84 : x
  2. Step 2: Convert to fraction form
    28,780,017.48/43,192,412.86 = 20,087,648.84/x
  3. Step 3: Cross multiply
    28,780,017.48x = 43,192,412.86 × 20,087,648.84
  4. Step 4: Simplify right side
    28,780,017.48x = 867,634,022,083,980.12
  5. Step 5: Solve for x
    x = 867,634,022,083,980.12/28,780,017.48
  6. Step 6: Final answer
    x = 30,147,098.51

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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.