Home / 28,458,045.45-42,687,068.18-8,265,328.65

Finding the Fourth Proportional to 28,458,045.45, 42,687,068.18 and 8,265,328.65

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Solution

The fourth proportional to 28,458,045.45, 42,687,068.18 and 8,265,328.65 is: 12,397,992.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,045.45 : 42,687,068.18 = 8,265,328.65 : x
  2. Step 2: Convert to fraction form
    28,458,045.45/42,687,068.18 = 8,265,328.65/x
  3. Step 3: Cross multiply
    28,458,045.45x = 42,687,068.18 × 8,265,328.65
  4. Step 4: Simplify right side
    28,458,045.45x = 352,822,647,571,330.69
  5. Step 5: Solve for x
    x = 352,822,647,571,330.69/28,458,045.45
  6. Step 6: Final answer
    x = 12,397,992.98

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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.