Home / 19,216,409.80-28,782,624.30-14,922,891.40

Finding the Fourth Proportional to 19,216,409.80, 28,782,624.30 and 14,922,891.40

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Solution

The fourth proportional to 19,216,409.80, 28,782,624.30 and 14,922,891.40 is: 22,351,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216,409.80 : 28,782,624.30 = 14,922,891.40 : x
  2. Step 2: Convert to fraction form
    19,216,409.80/28,782,624.30 = 14,922,891.40/x
  3. Step 3: Cross multiply
    19,216,409.80x = 28,782,624.30 × 14,922,891.40
  4. Step 4: Simplify right side
    19,216,409.80x = 429,519,976,635,901.06
  5. Step 5: Solve for x
    x = 429,519,976,635,901.06/19,216,409.80
  6. Step 6: Final answer
    x = 22,351,728.61

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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.