Home / 7,777,212.40-11,665,818.60-6,360,036.40

Finding the Fourth Proportional to 7,777,212.40, 11,665,818.60 and 6,360,036.40

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Solution

The fourth proportional to 7,777,212.40, 11,665,818.60 and 6,360,036.40 is: 9,540,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,212.40 : 11,665,818.60 = 6,360,036.40 : x
  2. Step 2: Convert to fraction form
    7,777,212.40/11,665,818.60 = 6,360,036.40/x
  3. Step 3: Cross multiply
    7,777,212.40x = 11,665,818.60 × 6,360,036.40
  4. Step 4: Simplify right side
    7,777,212.40x = 74,195,030,931,797.05
  5. Step 5: Solve for x
    x = 74,195,030,931,797.05/7,777,212.40
  6. Step 6: Final answer
    x = 9,540,054.60

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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.