Home / 16,872,021.60-25,308,032.40-11,132,458.80

Finding the Fourth Proportional to 16,872,021.60, 25,308,032.40 and 11,132,458.80

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Solution

The fourth proportional to 16,872,021.60, 25,308,032.40 and 11,132,458.80 is: 16,698,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872,021.60 : 25,308,032.40 = 11,132,458.80 : x
  2. Step 2: Convert to fraction form
    16,872,021.60/25,308,032.40 = 11,132,458.80/x
  3. Step 3: Cross multiply
    16,872,021.60x = 25,308,032.40 × 11,132,458.80
  4. Step 4: Simplify right side
    16,872,021.60x = 281,740,628,002,065.12
  5. Step 5: Solve for x
    x = 281,740,628,002,065.12/16,872,021.60
  6. Step 6: Final answer
    x = 16,698,688.20

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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.