Home / 28,985,909.22-43,485,981.75-14,419,701.54

Finding the Fourth Proportional to 28,985,909.22, 43,485,981.75 and 14,419,701.54

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Solution

The fourth proportional to 28,985,909.22, 43,485,981.75 and 14,419,701.54 is: 21,633,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985,909.22 : 43,485,981.75 = 14,419,701.54 : x
  2. Step 2: Convert to fraction form
    28,985,909.22/43,485,981.75 = 14,419,701.54/x
  3. Step 3: Cross multiply
    28,985,909.22x = 43,485,981.75 × 14,419,701.54
  4. Step 4: Simplify right side
    28,985,909.22x = 627,054,878,008,886.88
  5. Step 5: Solve for x
    x = 627,054,878,008,886.88/28,985,909.22
  6. Step 6: Final answer
    x = 21,633,093.28

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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.