Home / 28,360,379.21-42,472,369.85-16,192,963.94

Finding the Fourth Proportional to 28,360,379.21, 42,472,369.85 and 16,192,963.94

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Solution

The fourth proportional to 28,360,379.21, 42,472,369.85 and 16,192,963.94 is: 24,250,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360,379.21 : 42,472,369.85 = 16,192,963.94 : x
  2. Step 2: Convert to fraction form
    28,360,379.21/42,472,369.85 = 16,192,963.94/x
  3. Step 3: Cross multiply
    28,360,379.21x = 42,472,369.85 × 16,192,963.94
  4. Step 4: Simplify right side
    28,360,379.21x = 687,753,553,134,066.50
  5. Step 5: Solve for x
    x = 687,753,553,134,066.50/28,360,379.21
  6. Step 6: Final answer
    x = 24,250,506.25

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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.