Home / 7,178,998.60-10,768,497.90-5,903,540.20

Finding the Fourth Proportional to 7,178,998.60, 10,768,497.90 and 5,903,540.20

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Solution

The fourth proportional to 7,178,998.60, 10,768,497.90 and 5,903,540.20 is: 8,855,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,998.60 : 10,768,497.90 = 5,903,540.20 : x
  2. Step 2: Convert to fraction form
    7,178,998.60/10,768,497.90 = 5,903,540.20/x
  3. Step 3: Cross multiply
    7,178,998.60x = 10,768,497.90 × 5,903,540.20
  4. Step 4: Simplify right side
    7,178,998.60x = 63,572,260,246,265.59
  5. Step 5: Solve for x
    x = 63,572,260,246,265.59/7,178,998.60
  6. Step 6: Final answer
    x = 8,855,310.30

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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.