Home / 10,420,478.20-14,380,259.43-6,346,097.20

Finding the Fourth Proportional to 10,420,478.20, 14,380,259.43 and 6,346,097.20

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Solution

The fourth proportional to 10,420,478.20, 14,380,259.43 and 6,346,097.20 is: 8,757,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,478.20 : 14,380,259.43 = 6,346,097.20 : x
  2. Step 2: Convert to fraction form
    10,420,478.20/14,380,259.43 = 6,346,097.20/x
  3. Step 3: Cross multiply
    10,420,478.20x = 14,380,259.43 × 6,346,097.20
  4. Step 4: Simplify right side
    10,420,478.20x = 91,258,524,103,996.59
  5. Step 5: Solve for x
    x = 91,258,524,103,996.59/10,420,478.20
  6. Step 6: Final answer
    x = 8,757,613.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.