Home / 14,195,195.80-21,285,017.70-6,990,887.32

Finding the Fourth Proportional to 14,195,195.80, 21,285,017.70 and 6,990,887.32

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Solution

The fourth proportional to 14,195,195.80, 21,285,017.70 and 6,990,887.32 is: 10,482,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195,195.80 : 21,285,017.70 = 6,990,887.32 : x
  2. Step 2: Convert to fraction form
    14,195,195.80/21,285,017.70 = 6,990,887.32/x
  3. Step 3: Cross multiply
    14,195,195.80x = 21,285,017.70 × 6,990,887.32
  4. Step 4: Simplify right side
    14,195,195.80x = 148,801,160,344,905.56
  5. Step 5: Solve for x
    x = 148,801,160,344,905.56/14,195,195.80
  6. Step 6: Final answer
    x = 10,482,501.44

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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.