Home / 12,949,999.20-19,424,998.80-3,973,384.80

Finding the Fourth Proportional to 12,949,999.20, 19,424,998.80 and 3,973,384.80

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Solution

The fourth proportional to 12,949,999.20, 19,424,998.80 and 3,973,384.80 is: 5,960,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,999.20 : 19,424,998.80 = 3,973,384.80 : x
  2. Step 2: Convert to fraction form
    12,949,999.20/19,424,998.80 = 3,973,384.80/x
  3. Step 3: Cross multiply
    12,949,999.20x = 19,424,998.80 × 3,973,384.80
  4. Step 4: Simplify right side
    12,949,999.20x = 77,182,994,971,938.23
  5. Step 5: Solve for x
    x = 77,182,994,971,938.23/12,949,999.20
  6. Step 6: Final answer
    x = 5,960,077.20

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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.