Home / 10,892,128.80-16,302,763.80-8,482,929.60

Finding the Fourth Proportional to 10,892,128.80, 16,302,763.80 and 8,482,929.60

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Solution

The fourth proportional to 10,892,128.80, 16,302,763.80 and 8,482,929.60 is: 12,696,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,128.80 : 16,302,763.80 = 8,482,929.60 : x
  2. Step 2: Convert to fraction form
    10,892,128.80/16,302,763.80 = 8,482,929.60/x
  3. Step 3: Cross multiply
    10,892,128.80x = 16,302,763.80 × 8,482,929.60
  4. Step 4: Simplify right side
    10,892,128.80x = 138,295,197,600,828.48
  5. Step 5: Solve for x
    x = 138,295,197,600,828.48/10,892,128.80
  6. Step 6: Final answer
    x = 12,696,801.53

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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.