Home / 7,178,818.60-10,768,227.90-6,367,004.20

Finding the Fourth Proportional to 7,178,818.60, 10,768,227.90 and 6,367,004.20

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Solution

The fourth proportional to 7,178,818.60, 10,768,227.90 and 6,367,004.20 is: 9,550,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,818.60 : 10,768,227.90 = 6,367,004.20 : x
  2. Step 2: Convert to fraction form
    7,178,818.60/10,768,227.90 = 6,367,004.20/x
  3. Step 3: Cross multiply
    7,178,818.60x = 10,768,227.90 × 6,367,004.20
  4. Step 4: Simplify right side
    7,178,818.60x = 68,561,352,265,857.19
  5. Step 5: Solve for x
    x = 68,561,352,265,857.19/7,178,818.60
  6. Step 6: Final answer
    x = 9,550,506.30

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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.