Home / 28,376,674.74-42,565,012.67-6,811,276.43

Finding the Fourth Proportional to 28,376,674.74, 42,565,012.67 and 6,811,276.43

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Solution

The fourth proportional to 28,376,674.74, 42,565,012.67 and 6,811,276.43 is: 10,216,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,674.74 : 42,565,012.67 = 6,811,276.43 : x
  2. Step 2: Convert to fraction form
    28,376,674.74/42,565,012.67 = 6,811,276.43/x
  3. Step 3: Cross multiply
    28,376,674.74x = 42,565,012.67 × 6,811,276.43
  4. Step 4: Simplify right side
    28,376,674.74x = 289,922,067,294,940.94
  5. Step 5: Solve for x
    x = 289,922,067,294,940.94/28,376,674.74
  6. Step 6: Final answer
    x = 10,216,914.77

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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.