Home / 28,442,163.84-39,250,160.74-16,054,864.64

Finding the Fourth Proportional to 28,442,163.84, 39,250,160.74 and 16,054,864.64

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Solution

The fourth proportional to 28,442,163.84, 39,250,160.74 and 16,054,864.64 is: 22,155,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,442,163.84 : 39,250,160.74 = 16,054,864.64 : x
  2. Step 2: Convert to fraction form
    28,442,163.84/39,250,160.74 = 16,054,864.64/x
  3. Step 3: Cross multiply
    28,442,163.84x = 39,250,160.74 × 16,054,864.64
  4. Step 4: Simplify right side
    28,442,163.84x = 630,156,017,778,942.25
  5. Step 5: Solve for x
    x = 630,156,017,778,942.25/28,442,163.84
  6. Step 6: Final answer
    x = 22,155,698.89

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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.