Home / 21,451,640.70-32,177,461.05-19,100,178.30

Finding the Fourth Proportional to 21,451,640.70, 32,177,461.05 and 19,100,178.30

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Solution

The fourth proportional to 21,451,640.70, 32,177,461.05 and 19,100,178.30 is: 28,650,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451,640.70 : 32,177,461.05 = 19,100,178.30 : x
  2. Step 2: Convert to fraction form
    21,451,640.70/32,177,461.05 = 19,100,178.30/x
  3. Step 3: Cross multiply
    21,451,640.70x = 32,177,461.05 × 19,100,178.30
  4. Step 4: Simplify right side
    21,451,640.70x = 614,595,243,296,305.25
  5. Step 5: Solve for x
    x = 614,595,243,296,305.25/21,451,640.70
  6. Step 6: Final answer
    x = 28,650,267.45

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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.