Home / 19,181,383.20-28,724,835.60-9,072,194.40

Finding the Fourth Proportional to 19,181,383.20, 28,724,835.60 and 9,072,194.40

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Solution

The fourth proportional to 19,181,383.20, 28,724,835.60 and 9,072,194.40 is: 13,585,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,383.20 : 28,724,835.60 = 9,072,194.40 : x
  2. Step 2: Convert to fraction form
    19,181,383.20/28,724,835.60 = 9,072,194.40/x
  3. Step 3: Cross multiply
    19,181,383.20x = 28,724,835.60 × 9,072,194.40
  4. Step 4: Simplify right side
    19,181,383.20x = 260,597,292,671,240.66
  5. Step 5: Solve for x
    x = 260,597,292,671,240.66/19,181,383.20
  6. Step 6: Final answer
    x = 13,585,948.94

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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.