Home / 21,551,813.58-32,327,720.37-19,213,473.18

Finding the Fourth Proportional to 21,551,813.58, 32,327,720.37 and 19,213,473.18

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Solution

The fourth proportional to 21,551,813.58, 32,327,720.37 and 19,213,473.18 is: 28,820,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,813.58 : 32,327,720.37 = 19,213,473.18 : x
  2. Step 2: Convert to fraction form
    21,551,813.58/32,327,720.37 = 19,213,473.18/x
  3. Step 3: Cross multiply
    21,551,813.58x = 32,327,720.37 × 19,213,473.18
  4. Step 4: Simplify right side
    21,551,813.58x = 621,127,788,041,828.75
  5. Step 5: Solve for x
    x = 621,127,788,041,828.75/21,551,813.58
  6. Step 6: Final answer
    x = 28,820,209.76

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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.