Home / 6,739,903.20-10,109,854.80-4,472,421.60

Finding the Fourth Proportional to 6,739,903.20, 10,109,854.80 and 4,472,421.60

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Solution

The fourth proportional to 6,739,903.20, 10,109,854.80 and 4,472,421.60 is: 6,708,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,903.20 : 10,109,854.80 = 4,472,421.60 : x
  2. Step 2: Convert to fraction form
    6,739,903.20/10,109,854.80 = 4,472,421.60/x
  3. Step 3: Cross multiply
    6,739,903.20x = 10,109,854.80 × 4,472,421.60
  4. Step 4: Simplify right side
    6,739,903.20x = 45,215,532,980,383.68
  5. Step 5: Solve for x
    x = 45,215,532,980,383.68/6,739,903.20
  6. Step 6: Final answer
    x = 6,708,632.40

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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.