Home / 19,911,797.20-29,793,046.20-13,193,333.20

Finding the Fourth Proportional to 19,911,797.20, 29,793,046.20 and 13,193,333.20

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Solution

The fourth proportional to 19,911,797.20, 29,793,046.20 and 13,193,333.20 is: 19,740,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911,797.20 : 29,793,046.20 = 13,193,333.20 : x
  2. Step 2: Convert to fraction form
    19,911,797.20/29,793,046.20 = 13,193,333.20/x
  3. Step 3: Cross multiply
    19,911,797.20x = 29,793,046.20 × 13,193,333.20
  4. Step 4: Simplify right side
    19,911,797.20x = 393,069,585,559,593.81
  5. Step 5: Solve for x
    x = 393,069,585,559,593.81/19,911,797.20
  6. Step 6: Final answer
    x = 19,740,537.81

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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.