Home / 12,030,645.80-18,045,968.70-9,343,260.20

Finding the Fourth Proportional to 12,030,645.80, 18,045,968.70 and 9,343,260.20

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Solution

The fourth proportional to 12,030,645.80, 18,045,968.70 and 9,343,260.20 is: 14,014,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,645.80 : 18,045,968.70 = 9,343,260.20 : x
  2. Step 2: Convert to fraction form
    12,030,645.80/18,045,968.70 = 9,343,260.20/x
  3. Step 3: Cross multiply
    12,030,645.80x = 18,045,968.70 × 9,343,260.20
  4. Step 4: Simplify right side
    12,030,645.80x = 168,608,181,125,155.72
  5. Step 5: Solve for x
    x = 168,608,181,125,155.72/12,030,645.80
  6. Step 6: Final answer
    x = 14,014,890.30

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Similar ratio
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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.