Home / 8,241,775.20-12,362,662.80-5,690,858.40

Finding the Fourth Proportional to 8,241,775.20, 12,362,662.80 and 5,690,858.40

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Solution

The fourth proportional to 8,241,775.20, 12,362,662.80 and 5,690,858.40 is: 8,536,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241,775.20 : 12,362,662.80 = 5,690,858.40 : x
  2. Step 2: Convert to fraction form
    8,241,775.20/12,362,662.80 = 5,690,858.40/x
  3. Step 3: Cross multiply
    8,241,775.20x = 12,362,662.80 × 5,690,858.40
  4. Step 4: Simplify right side
    8,241,775.20x = 70,354,163,441,747.53
  5. Step 5: Solve for x
    x = 70,354,163,441,747.53/8,241,775.20
  6. Step 6: Final answer
    x = 8,536,287.60

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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.