Home / 21,776,514.60-32,664,771.90-15,281,999.40

Finding the Fourth Proportional to 21,776,514.60, 32,664,771.90 and 15,281,999.40

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Solution

The fourth proportional to 21,776,514.60, 32,664,771.90 and 15,281,999.40 is: 22,922,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776,514.60 : 32,664,771.90 = 15,281,999.40 : x
  2. Step 2: Convert to fraction form
    21,776,514.60/32,664,771.90 = 15,281,999.40/x
  3. Step 3: Cross multiply
    21,776,514.60x = 32,664,771.90 × 15,281,999.40
  4. Step 4: Simplify right side
    21,776,514.60x = 499,183,024,576,936.88
  5. Step 5: Solve for x
    x = 499,183,024,576,936.88/21,776,514.60
  6. Step 6: Final answer
    x = 22,922,999.10

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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.