Home / 16,798,636.80-25,197,955.20-13,439,404.80

Finding the Fourth Proportional to 16,798,636.80, 25,197,955.20 and 13,439,404.80

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Solution

The fourth proportional to 16,798,636.80, 25,197,955.20 and 13,439,404.80 is: 20,159,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798,636.80 : 25,197,955.20 = 13,439,404.80 : x
  2. Step 2: Convert to fraction form
    16,798,636.80/25,197,955.20 = 13,439,404.80/x
  3. Step 3: Cross multiply
    16,798,636.80x = 25,197,955.20 × 13,439,404.80
  4. Step 4: Simplify right side
    16,798,636.80x = 338,645,520,065,065
  5. Step 5: Solve for x
    x = 338,645,520,065,065/16,798,636.80
  6. Step 6: Final answer
    x = 20,159,107.20

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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.