Home / 21,779,534.27-32,669,078.45-5,605,422.68

Finding the Fourth Proportional to 21,779,534.27, 32,669,078.45 and 5,605,422.68

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Solution

The fourth proportional to 21,779,534.27, 32,669,078.45 and 5,605,422.68 is: 8,408,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779,534.27 : 32,669,078.45 = 5,605,422.68 : x
  2. Step 2: Convert to fraction form
    21,779,534.27/32,669,078.45 = 5,605,422.68/x
  3. Step 3: Cross multiply
    21,779,534.27x = 32,669,078.45 × 5,605,422.68
  4. Step 4: Simplify right side
    21,779,534.27x = 183,123,993,086,956.75
  5. Step 5: Solve for x
    x = 183,123,993,086,956.75/21,779,534.27
  6. Step 6: Final answer
    x = 8,408,076.63

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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.