Home / 13,752,877.20-20,629,315.80-12,382,940.40

Finding the Fourth Proportional to 13,752,877.20, 20,629,315.80 and 12,382,940.40

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Solution

The fourth proportional to 13,752,877.20, 20,629,315.80 and 12,382,940.40 is: 18,574,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752,877.20 : 20,629,315.80 = 12,382,940.40 : x
  2. Step 2: Convert to fraction form
    13,752,877.20/20,629,315.80 = 12,382,940.40/x
  3. Step 3: Cross multiply
    13,752,877.20x = 20,629,315.80 × 12,382,940.40
  4. Step 4: Simplify right side
    13,752,877.20x = 255,451,588,044,178.34
  5. Step 5: Solve for x
    x = 255,451,588,044,178.34/13,752,877.20
  6. Step 6: Final answer
    x = 18,574,410.60

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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.