Home / 12,385,086.30-18,580,581.90-5,990,079.60

Finding the Fourth Proportional to 12,385,086.30, 18,580,581.90 and 5,990,079.60

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Solution

The fourth proportional to 12,385,086.30, 18,580,581.90 and 5,990,079.60 is: 8,986,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,086.30 : 18,580,581.90 = 5,990,079.60 : x
  2. Step 2: Convert to fraction form
    12,385,086.30/18,580,581.90 = 5,990,079.60/x
  3. Step 3: Cross multiply
    12,385,086.30x = 18,580,581.90 × 5,990,079.60
  4. Step 4: Simplify right side
    12,385,086.30x = 111,299,164,595,319.22
  5. Step 5: Solve for x
    x = 111,299,164,595,319.22/12,385,086.30
  6. Step 6: Final answer
    x = 8,986,547.36

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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.