Home / 8,905,591.07-12,288,678.86-4,985,561.85

Finding the Fourth Proportional to 8,905,591.07, 12,288,678.86 and 4,985,561.85

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Solution

The fourth proportional to 8,905,591.07, 12,288,678.86 and 4,985,561.85 is: 6,879,494.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905,591.07 : 12,288,678.86 = 4,985,561.85 : x
  2. Step 2: Convert to fraction form
    8,905,591.07/12,288,678.86 = 4,985,561.85/x
  3. Step 3: Cross multiply
    8,905,591.07x = 12,288,678.86 × 4,985,561.85
  4. Step 4: Simplify right side
    8,905,591.07x = 61,265,968,449,874.09
  5. Step 5: Solve for x
    x = 61,265,968,449,874.09/8,905,591.07
  6. Step 6: Final answer
    x = 6,879,494.92

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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.