Home / 28,689,990.67-43,051,657.15-12,070,380.14

Finding the Fourth Proportional to 28,689,990.67, 43,051,657.15 and 12,070,380.14

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Solution

The fourth proportional to 28,689,990.67, 43,051,657.15 and 12,070,380.14 is: 18,112,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,990.67 : 43,051,657.15 = 12,070,380.14 : x
  2. Step 2: Convert to fraction form
    28,689,990.67/43,051,657.15 = 12,070,380.14/x
  3. Step 3: Cross multiply
    28,689,990.67x = 43,051,657.15 × 12,070,380.14
  4. Step 4: Simplify right side
    28,689,990.67x = 519,649,867,660,887.94
  5. Step 5: Solve for x
    x = 519,649,867,660,887.94/28,689,990.67
  6. Step 6: Final answer
    x = 18,112,584.06

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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.