Home / 19,171,872.40-28,757,808.60-14,888,851.60

Finding the Fourth Proportional to 19,171,872.40, 28,757,808.60 and 14,888,851.60

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Solution

The fourth proportional to 19,171,872.40, 28,757,808.60 and 14,888,851.60 is: 22,333,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,872.40 : 28,757,808.60 = 14,888,851.60 : x
  2. Step 2: Convert to fraction form
    19,171,872.40/28,757,808.60 = 14,888,851.60/x
  3. Step 3: Cross multiply
    19,171,872.40x = 28,757,808.60 × 14,888,851.60
  4. Step 4: Simplify right side
    19,171,872.40x = 428,170,744,586,603.75
  5. Step 5: Solve for x
    x = 428,170,744,586,603.75/19,171,872.40
  6. Step 6: Final answer
    x = 22,333,277.40

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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.