Home / 12,915,607.20-19,373,410.80-4,396,221.60

Finding the Fourth Proportional to 12,915,607.20, 19,373,410.80 and 4,396,221.60

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Solution

The fourth proportional to 12,915,607.20, 19,373,410.80 and 4,396,221.60 is: 6,594,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,607.20 : 19,373,410.80 = 4,396,221.60 : x
  2. Step 2: Convert to fraction form
    12,915,607.20/19,373,410.80 = 4,396,221.60/x
  3. Step 3: Cross multiply
    12,915,607.20x = 19,373,410.80 × 4,396,221.60
  4. Step 4: Simplify right side
    12,915,607.20x = 85,169,807,024,633.28
  5. Step 5: Solve for x
    x = 85,169,807,024,633.28/12,915,607.20
  6. Step 6: Final answer
    x = 6,594,332.40

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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.