Home / 18,710,315-28,065,473.58-4,526,891

Finding the Fourth Proportional to 18,710,315, 28,065,473.58 and 4,526,891

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Solution

The fourth proportional to 18,710,315, 28,065,473.58 and 4,526,891 is: 6,790,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710,315 : 28,065,473.58 = 4,526,891 : x
  2. Step 2: Convert to fraction form
    18,710,315/28,065,473.58 = 4,526,891/x
  3. Step 3: Cross multiply
    18,710,315x = 28,065,473.58 × 4,526,891
  4. Step 4: Simplify right side
    18,710,315x = 127,049,339,760,039.77
  5. Step 5: Solve for x
    x = 127,049,339,760,039.77/18,710,315
  6. Step 6: Final answer
    x = 6,790,336.76

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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.