Home / 21,456,067.60-32,184,101.40-19,104,605.20

Finding the Fourth Proportional to 21,456,067.60, 32,184,101.40 and 19,104,605.20

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Solution

The fourth proportional to 21,456,067.60, 32,184,101.40 and 19,104,605.20 is: 28,656,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,067.60 : 32,184,101.40 = 19,104,605.20 : x
  2. Step 2: Convert to fraction form
    21,456,067.60/32,184,101.40 = 19,104,605.20/x
  3. Step 3: Cross multiply
    21,456,067.60x = 32,184,101.40 × 19,104,605.20
  4. Step 4: Simplify right side
    21,456,067.60x = 614,864,550,963,767.25
  5. Step 5: Solve for x
    x = 614,864,550,963,767.25/21,456,067.60
  6. Step 6: Final answer
    x = 28,656,907.80

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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.