Home / 22,207,879.20-33,311,818.80-13,249,927.20

Finding the Fourth Proportional to 22,207,879.20, 33,311,818.80 and 13,249,927.20

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Solution

The fourth proportional to 22,207,879.20, 33,311,818.80 and 13,249,927.20 is: 19,874,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207,879.20 : 33,311,818.80 = 13,249,927.20 : x
  2. Step 2: Convert to fraction form
    22,207,879.20/33,311,818.80 = 13,249,927.20/x
  3. Step 3: Cross multiply
    22,207,879.20x = 33,311,818.80 × 13,249,927.20
  4. Step 4: Simplify right side
    22,207,879.20x = 441,379,173,999,591.38
  5. Step 5: Solve for x
    x = 441,379,173,999,591.38/22,207,879.20
  6. Step 6: Final answer
    x = 19,874,890.80

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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.