Home / 19,570,415.20-29,355,622.80-11,917,664.80

Finding the Fourth Proportional to 19,570,415.20, 29,355,622.80 and 11,917,664.80

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Solution

The fourth proportional to 19,570,415.20, 29,355,622.80 and 11,917,664.80 is: 17,876,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,415.20 : 29,355,622.80 = 11,917,664.80 : x
  2. Step 2: Convert to fraction form
    19,570,415.20/29,355,622.80 = 11,917,664.80/x
  3. Step 3: Cross multiply
    19,570,415.20x = 29,355,622.80 × 11,917,664.80
  4. Step 4: Simplify right side
    19,570,415.20x = 349,850,472,525,637.50
  5. Step 5: Solve for x
    x = 349,850,472,525,637.50/19,570,415.20
  6. Step 6: Final answer
    x = 17,876,497.20

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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.