Home / 21,438,045.15-32,157,067.73-18,355,687.35

Finding the Fourth Proportional to 21,438,045.15, 32,157,067.73 and 18,355,687.35

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Solution

The fourth proportional to 21,438,045.15, 32,157,067.73 and 18,355,687.35 is: 27,533,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,438,045.15 : 32,157,067.73 = 18,355,687.35 : x
  2. Step 2: Convert to fraction form
    21,438,045.15/32,157,067.73 = 18,355,687.35/x
  3. Step 3: Cross multiply
    21,438,045.15x = 32,157,067.73 × 18,355,687.35
  4. Step 4: Simplify right side
    21,438,045.15x = 590,265,081,252,875.88
  5. Step 5: Solve for x
    x = 590,265,081,252,875.88/21,438,045.15
  6. Step 6: Final answer
    x = 27,533,531.03

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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.