Home / 8,238,490.60-12,357,735.90-6,994,330.60

Finding the Fourth Proportional to 8,238,490.60, 12,357,735.90 and 6,994,330.60

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Solution

The fourth proportional to 8,238,490.60, 12,357,735.90 and 6,994,330.60 is: 10,491,495.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,490.60 : 12,357,735.90 = 6,994,330.60 : x
  2. Step 2: Convert to fraction form
    8,238,490.60/12,357,735.90 = 6,994,330.60/x
  3. Step 3: Cross multiply
    8,238,490.60x = 12,357,735.90 × 6,994,330.60
  4. Step 4: Simplify right side
    8,238,490.60x = 86,434,090,352,088.53
  5. Step 5: Solve for x
    x = 86,434,090,352,088.53/8,238,490.60
  6. Step 6: Final answer
    x = 10,491,495.90

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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.