Home / 17,940,801.60-26,911,202.40-13,122,403.20

Finding the Fourth Proportional to 17,940,801.60, 26,911,202.40 and 13,122,403.20

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Solution

The fourth proportional to 17,940,801.60, 26,911,202.40 and 13,122,403.20 is: 19,683,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940,801.60 : 26,911,202.40 = 13,122,403.20 : x
  2. Step 2: Convert to fraction form
    17,940,801.60/26,911,202.40 = 13,122,403.20/x
  3. Step 3: Cross multiply
    17,940,801.60x = 26,911,202.40 × 13,122,403.20
  4. Step 4: Simplify right side
    17,940,801.60x = 353,139,648,489,607.62
  5. Step 5: Solve for x
    x = 353,139,648,489,607.62/17,940,801.60
  6. Step 6: Final answer
    x = 19,683,604.80

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1.5x scale

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.