Home / 10,416,555.20-15,615,501.60-6,824,043.20

Finding the Fourth Proportional to 10,416,555.20, 15,615,501.60 and 6,824,043.20

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Solution

The fourth proportional to 10,416,555.20, 15,615,501.60 and 6,824,043.20 is: 10,229,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416,555.20 : 15,615,501.60 = 6,824,043.20 : x
  2. Step 2: Convert to fraction form
    10,416,555.20/15,615,501.60 = 6,824,043.20/x
  3. Step 3: Cross multiply
    10,416,555.20x = 15,615,501.60 × 6,824,043.20
  4. Step 4: Simplify right side
    10,416,555.20x = 106,560,857,508,069.12
  5. Step 5: Solve for x
    x = 106,560,857,508,069.12/10,416,555.20
  6. Step 6: Final answer
    x = 10,229,951.79

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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.