Home / 38,992,195.18-53,810,050.32-21,351,838.60

Finding the Fourth Proportional to 38,992,195.18, 53,810,050.32 and 21,351,838.60

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Solution

The fourth proportional to 38,992,195.18, 53,810,050.32 and 21,351,838.60 is: 29,465,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992,195.18 : 53,810,050.32 = 21,351,838.60 : x
  2. Step 2: Convert to fraction form
    38,992,195.18/53,810,050.32 = 21,351,838.60/x
  3. Step 3: Cross multiply
    38,992,195.18x = 53,810,050.32 × 21,351,838.60
  4. Step 4: Simplify right side
    38,992,195.18x = 1,148,943,509,490,518.50
  5. Step 5: Solve for x
    x = 1,148,943,509,490,518.50/38,992,195.18
  6. Step 6: Final answer
    x = 29,465,986.83

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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.