Home / 28,153,817.80-42,215,331.63-22,355,251.74

Finding the Fourth Proportional to 28,153,817.80, 42,215,331.63 and 22,355,251.74

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Solution

The fourth proportional to 28,153,817.80, 42,215,331.63 and 22,355,251.74 is: 33,520,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153,817.80 : 42,215,331.63 = 22,355,251.74 : x
  2. Step 2: Convert to fraction form
    28,153,817.80/42,215,331.63 = 22,355,251.74/x
  3. Step 3: Cross multiply
    28,153,817.80x = 42,215,331.63 × 22,355,251.74
  4. Step 4: Simplify right side
    28,153,817.80x = 943,734,365,841,357.25
  5. Step 5: Solve for x
    x = 943,734,365,841,357.25/28,153,817.80
  6. Step 6: Final answer
    x = 33,520,653.31

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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.