Home / 8,142,901.20-12,226,404.60-4,555,832.40

Finding the Fourth Proportional to 8,142,901.20, 12,226,404.60 and 4,555,832.40

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Solution

The fourth proportional to 8,142,901.20, 12,226,404.60 and 4,555,832.40 is: 6,840,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,901.20 : 12,226,404.60 = 4,555,832.40 : x
  2. Step 2: Convert to fraction form
    8,142,901.20/12,226,404.60 = 4,555,832.40/x
  3. Step 3: Cross multiply
    8,142,901.20x = 12,226,404.60 × 4,555,832.40
  4. Step 4: Simplify right side
    8,142,901.20x = 55,701,450,212,189.04
  5. Step 5: Solve for x
    x = 55,701,450,212,189.04/8,142,901.20
  6. Step 6: Final answer
    x = 6,840,491.96

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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.