Home / 8,019,029.60-12,029,005.20-2,340,130.40

Finding the Fourth Proportional to 8,019,029.60, 12,029,005.20 and 2,340,130.40

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Solution

The fourth proportional to 8,019,029.60, 12,029,005.20 and 2,340,130.40 is: 3,510,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019,029.60 : 12,029,005.20 = 2,340,130.40 : x
  2. Step 2: Convert to fraction form
    8,019,029.60/12,029,005.20 = 2,340,130.40/x
  3. Step 3: Cross multiply
    8,019,029.60x = 12,029,005.20 × 2,340,130.40
  4. Step 4: Simplify right side
    8,019,029.60x = 28,149,440,750,278.08
  5. Step 5: Solve for x
    x = 28,149,440,750,278.08/8,019,029.60
  6. Step 6: Final answer
    x = 3,510,330.07

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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.