Home / 21,456,069.60-32,184,104.40-19,104,607.20

Finding the Fourth Proportional to 21,456,069.60, 32,184,104.40 and 19,104,607.20

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Solution

The fourth proportional to 21,456,069.60, 32,184,104.40 and 19,104,607.20 is: 28,656,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,069.60 : 32,184,104.40 = 19,104,607.20 : x
  2. Step 2: Convert to fraction form
    21,456,069.60/32,184,104.40 = 19,104,607.20/x
  3. Step 3: Cross multiply
    21,456,069.60x = 32,184,104.40 × 19,104,607.20
  4. Step 4: Simplify right side
    21,456,069.60x = 614,864,672,645,791.62
  5. Step 5: Solve for x
    x = 614,864,672,645,791.62/21,456,069.60
  6. Step 6: Final answer
    x = 28,656,910.80

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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.