Home / 28,657,267.80-42,991,574.88-8,187,161.64

Finding the Fourth Proportional to 28,657,267.80, 42,991,574.88 and 8,187,161.64

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Solution

The fourth proportional to 28,657,267.80, 42,991,574.88 and 8,187,161.64 is: 12,282,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657,267.80 : 42,991,574.88 = 8,187,161.64 : x
  2. Step 2: Convert to fraction form
    28,657,267.80/42,991,574.88 = 8,187,161.64/x
  3. Step 3: Cross multiply
    28,657,267.80x = 42,991,574.88 × 8,187,161.64
  4. Step 4: Simplify right side
    28,657,267.80x = 351,978,972,700,723.62
  5. Step 5: Solve for x
    x = 351,978,972,700,723.62/28,657,267.80
  6. Step 6: Final answer
    x = 12,282,363.24

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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.