Home / 28,657,277.80-42,991,589.88-8,187,171.64

Finding the Fourth Proportional to 28,657,277.80, 42,991,589.88 and 8,187,171.64

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Solution

The fourth proportional to 28,657,277.80, 42,991,589.88 and 8,187,171.64 is: 12,282,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657,277.80 : 42,991,589.88 = 8,187,171.64 : x
  2. Step 2: Convert to fraction form
    28,657,277.80/42,991,589.88 = 8,187,171.64/x
  3. Step 3: Cross multiply
    28,657,277.80x = 42,991,589.88 × 8,187,171.64
  4. Step 4: Simplify right side
    28,657,277.80x = 351,979,525,424,047
  5. Step 5: Solve for x
    x = 351,979,525,424,047/28,657,277.80
  6. Step 6: Final answer
    x = 12,282,378.25

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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.