Home / 21,606,715.11-32,374,089.21-15,203,515.05

Finding the Fourth Proportional to 21,606,715.11, 32,374,089.21 and 15,203,515.05

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Solution

The fourth proportional to 21,606,715.11, 32,374,089.21 and 15,203,515.05 is: 22,779,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606,715.11 : 32,374,089.21 = 15,203,515.05 : x
  2. Step 2: Convert to fraction form
    21,606,715.11/32,374,089.21 = 15,203,515.05/x
  3. Step 3: Cross multiply
    21,606,715.11x = 32,374,089.21 × 15,203,515.05
  4. Step 4: Simplify right side
    21,606,715.11x = 492,199,952,534,277.62
  5. Step 5: Solve for x
    x = 492,199,952,534,277.62/21,606,715.11
  6. Step 6: Final answer
    x = 22,779,952.90

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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.