Home / 10,929,381.20-16,403,986.20-5,541,779.60

Finding the Fourth Proportional to 10,929,381.20, 16,403,986.20 and 5,541,779.60

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Solution

The fourth proportional to 10,929,381.20, 16,403,986.20 and 5,541,779.60 is: 8,317,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,381.20 : 16,403,986.20 = 5,541,779.60 : x
  2. Step 2: Convert to fraction form
    10,929,381.20/16,403,986.20 = 5,541,779.60/x
  3. Step 3: Cross multiply
    10,929,381.20x = 16,403,986.20 × 5,541,779.60
  4. Step 4: Simplify right side
    10,929,381.20x = 90,907,276,081,841.52
  5. Step 5: Solve for x
    x = 90,907,276,081,841.52/10,929,381.20
  6. Step 6: Final answer
    x = 8,317,696.53

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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.