Home / 18,968,950.29-28,453,445.96-8,878,657.17

Finding the Fourth Proportional to 18,968,950.29, 28,453,445.96 and 8,878,657.17

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Solution

The fourth proportional to 18,968,950.29, 28,453,445.96 and 8,878,657.17 is: 13,317,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968,950.29 : 28,453,445.96 = 8,878,657.17 : x
  2. Step 2: Convert to fraction form
    18,968,950.29/28,453,445.96 = 8,878,657.17/x
  3. Step 3: Cross multiply
    18,968,950.29x = 28,453,445.96 × 8,878,657.17
  4. Step 4: Simplify right side
    18,968,950.29x = 252,628,391,983,961.53
  5. Step 5: Solve for x
    x = 252,628,391,983,961.53/18,968,950.29
  6. Step 6: Final answer
    x = 13,317,995.36

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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.