Home / 19,181,927.20-28,772,890.80-11,604,992.80

Finding the Fourth Proportional to 19,181,927.20, 28,772,890.80 and 11,604,992.80

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Solution

The fourth proportional to 19,181,927.20, 28,772,890.80 and 11,604,992.80 is: 17,407,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,927.20 : 28,772,890.80 = 11,604,992.80 : x
  2. Step 2: Convert to fraction form
    19,181,927.20/28,772,890.80 = 11,604,992.80/x
  3. Step 3: Cross multiply
    19,181,927.20x = 28,772,890.80 × 11,604,992.80
  4. Step 4: Simplify right side
    19,181,927.20x = 333,909,190,569,186.25
  5. Step 5: Solve for x
    x = 333,909,190,569,186.25/19,181,927.20
  6. Step 6: Final answer
    x = 17,407,489.20

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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.