Home / 19,190,852.30-28,744,288.05-16,671,428.30

Finding the Fourth Proportional to 19,190,852.30, 28,744,288.05 and 16,671,428.30

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Solution

The fourth proportional to 19,190,852.30, 28,744,288.05 and 16,671,428.30 is: 24,970,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,852.30 : 28,744,288.05 = 16,671,428.30 : x
  2. Step 2: Convert to fraction form
    19,190,852.30/28,744,288.05 = 16,671,428.30/x
  3. Step 3: Cross multiply
    19,190,852.30x = 28,744,288.05 × 16,671,428.30
  4. Step 4: Simplify right side
    19,190,852.30x = 479,208,337,260,121.88
  5. Step 5: Solve for x
    x = 479,208,337,260,121.88/19,190,852.30
  6. Step 6: Final answer
    x = 24,970,664.66

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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.