Home / 28,728,362.40-43,092,259.60-13,161,775.48

Finding the Fourth Proportional to 28,728,362.40, 43,092,259.60 and 13,161,775.48

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Solution

The fourth proportional to 28,728,362.40, 43,092,259.60 and 13,161,775.48 is: 19,742,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,728,362.40 : 43,092,259.60 = 13,161,775.48 : x
  2. Step 2: Convert to fraction form
    28,728,362.40/43,092,259.60 = 13,161,775.48/x
  3. Step 3: Cross multiply
    28,728,362.40x = 43,092,259.60 × 13,161,775.48
  4. Step 4: Simplify right side
    28,728,362.40x = 567,170,645,781,074.62
  5. Step 5: Solve for x
    x = 567,170,645,781,074.62/28,728,362.40
  6. Step 6: Final answer
    x = 19,742,533.11

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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.