Home / 18,713,237.88-28,069,837.74-7,043,788.56

Finding the Fourth Proportional to 18,713,237.88, 28,069,837.74 and 7,043,788.56

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Solution

The fourth proportional to 18,713,237.88, 28,069,837.74 and 7,043,788.56 is: 10,565,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,237.88 : 28,069,837.74 = 7,043,788.56 : x
  2. Step 2: Convert to fraction form
    18,713,237.88/28,069,837.74 = 7,043,788.56/x
  3. Step 3: Cross multiply
    18,713,237.88x = 28,069,837.74 × 7,043,788.56
  4. Step 4: Simplify right side
    18,713,237.88x = 197,718,001,954,068.22
  5. Step 5: Solve for x
    x = 197,718,001,954,068.22/18,713,237.88
  6. Step 6: Final answer
    x = 10,565,675.66

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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.