Home / 8,483,467.20-12,725,200.80-6,591,566.40

Finding the Fourth Proportional to 8,483,467.20, 12,725,200.80 and 6,591,566.40

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Solution

The fourth proportional to 8,483,467.20, 12,725,200.80 and 6,591,566.40 is: 9,887,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483,467.20 : 12,725,200.80 = 6,591,566.40 : x
  2. Step 2: Convert to fraction form
    8,483,467.20/12,725,200.80 = 6,591,566.40/x
  3. Step 3: Cross multiply
    8,483,467.20x = 12,725,200.80 × 6,591,566.40
  4. Step 4: Simplify right side
    8,483,467.20x = 83,879,006,026,533.12
  5. Step 5: Solve for x
    x = 83,879,006,026,533.12/8,483,467.20
  6. Step 6: Final answer
    x = 9,887,349.60

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Similar ratio
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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.