Home / 19,476,840.60-29,215,260.90-18,732,823.20

Finding the Fourth Proportional to 19,476,840.60, 29,215,260.90 and 18,732,823.20

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Solution

The fourth proportional to 19,476,840.60, 29,215,260.90 and 18,732,823.20 is: 28,099,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,840.60 : 29,215,260.90 = 18,732,823.20 : x
  2. Step 2: Convert to fraction form
    19,476,840.60/29,215,260.90 = 18,732,823.20/x
  3. Step 3: Cross multiply
    19,476,840.60x = 29,215,260.90 × 18,732,823.20
  4. Step 4: Simplify right side
    19,476,840.60x = 547,284,317,181,572.81
  5. Step 5: Solve for x
    x = 547,284,317,181,572.81/19,476,840.60
  6. Step 6: Final answer
    x = 28,099,234.80

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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.