Home / 11,977,875.20-17,966,812.80-3,458,489.60

Finding the Fourth Proportional to 11,977,875.20, 17,966,812.80 and 3,458,489.60

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Solution

The fourth proportional to 11,977,875.20, 17,966,812.80 and 3,458,489.60 is: 5,187,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,875.20 : 17,966,812.80 = 3,458,489.60 : x
  2. Step 2: Convert to fraction form
    11,977,875.20/17,966,812.80 = 3,458,489.60/x
  3. Step 3: Cross multiply
    11,977,875.20x = 17,966,812.80 × 3,458,489.60
  4. Step 4: Simplify right side
    11,977,875.20x = 62,138,035,213,946.88
  5. Step 5: Solve for x
    x = 62,138,035,213,946.88/11,977,875.20
  6. Step 6: Final answer
    x = 5,187,734.40

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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.