Home / 12,830,097.20-19,250,329.80-5,642,999.60

Finding the Fourth Proportional to 12,830,097.20, 19,250,329.80 and 5,642,999.60

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Solution

The fourth proportional to 12,830,097.20, 19,250,329.80 and 5,642,999.60 is: 8,466,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,097.20 : 19,250,329.80 = 5,642,999.60 : x
  2. Step 2: Convert to fraction form
    12,830,097.20/19,250,329.80 = 5,642,999.60/x
  3. Step 3: Cross multiply
    12,830,097.20x = 19,250,329.80 × 5,642,999.60
  4. Step 4: Simplify right side
    12,830,097.20x = 108,629,603,361,268.08
  5. Step 5: Solve for x
    x = 108,629,603,361,268.08/12,830,097.20
  6. Step 6: Final answer
    x = 8,466,779.45

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1.5x scale

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.