Home / 12,301,904.60-18,452,856.90-8,270,826.20

Finding the Fourth Proportional to 12,301,904.60, 18,452,856.90 and 8,270,826.20

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Solution

The fourth proportional to 12,301,904.60, 18,452,856.90 and 8,270,826.20 is: 12,406,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,904.60 : 18,452,856.90 = 8,270,826.20 : x
  2. Step 2: Convert to fraction form
    12,301,904.60/18,452,856.90 = 8,270,826.20/x
  3. Step 3: Cross multiply
    12,301,904.60x = 18,452,856.90 × 8,270,826.20
  4. Step 4: Simplify right side
    12,301,904.60x = 152,620,372,313,370.78
  5. Step 5: Solve for x
    x = 152,620,372,313,370.78/12,301,904.60
  6. Step 6: Final answer
    x = 12,406,239.30

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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.