Home / 18,591,985.60-27,943,965.60-16,128,548.80

Finding the Fourth Proportional to 18,591,985.60, 27,943,965.60 and 16,128,548.80

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Solution

The fourth proportional to 18,591,985.60, 27,943,965.60 and 16,128,548.80 is: 24,241,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,985.60 : 27,943,965.60 = 16,128,548.80 : x
  2. Step 2: Convert to fraction form
    18,591,985.60/27,943,965.60 = 16,128,548.80/x
  3. Step 3: Cross multiply
    18,591,985.60x = 27,943,965.60 × 16,128,548.80
  4. Step 4: Simplify right side
    18,591,985.60x = 450,695,612,845,121.31
  5. Step 5: Solve for x
    x = 450,695,612,845,121.31/18,591,985.60
  6. Step 6: Final answer
    x = 24,241,392.10

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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.