Home / 20,248,362.08-27,955,780.80-18,069,157.52

Finding the Fourth Proportional to 20,248,362.08, 27,955,780.80 and 18,069,157.52

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Solution

The fourth proportional to 20,248,362.08, 27,955,780.80 and 18,069,157.52 is: 24,947,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248,362.08 : 27,955,780.80 = 18,069,157.52 : x
  2. Step 2: Convert to fraction form
    20,248,362.08/27,955,780.80 = 18,069,157.52/x
  3. Step 3: Cross multiply
    20,248,362.08x = 27,955,780.80 × 18,069,157.52
  4. Step 4: Simplify right side
    20,248,362.08x = 505,137,406,869,791.62
  5. Step 5: Solve for x
    x = 505,137,406,869,791.62/20,248,362.08
  6. Step 6: Final answer
    x = 24,947,074.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.