Home / 14,435,138.76-19,920,490.98-7,909,015.44

Finding the Fourth Proportional to 14,435,138.76, 19,920,490.98 and 7,909,015.44

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Solution

The fourth proportional to 14,435,138.76, 19,920,490.98 and 7,909,015.44 is: 10,914,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435,138.76 : 19,920,490.98 = 7,909,015.44 : x
  2. Step 2: Convert to fraction form
    14,435,138.76/19,920,490.98 = 7,909,015.44/x
  3. Step 3: Cross multiply
    14,435,138.76x = 19,920,490.98 × 7,909,015.44
  4. Step 4: Simplify right side
    14,435,138.76x = 157,551,470,733,200.75
  5. Step 5: Solve for x
    x = 157,551,470,733,200.75/14,435,138.76
  6. Step 6: Final answer
    x = 10,914,441.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.