Home / 9,072,511.20-13,608,766.80-9,009,525.60

Finding the Fourth Proportional to 9,072,511.20, 13,608,766.80 and 9,009,525.60

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Solution

The fourth proportional to 9,072,511.20, 13,608,766.80 and 9,009,525.60 is: 13,514,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,511.20 : 13,608,766.80 = 9,009,525.60 : x
  2. Step 2: Convert to fraction form
    9,072,511.20/13,608,766.80 = 9,009,525.60/x
  3. Step 3: Cross multiply
    9,072,511.20x = 13,608,766.80 × 9,009,525.60
  4. Step 4: Simplify right side
    9,072,511.20x = 122,608,532,869,030.08
  5. Step 5: Solve for x
    x = 122,608,532,869,030.08/9,072,511.20
  6. Step 6: Final answer
    x = 13,514,288.40

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Similar ratio
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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.