Home / 11,977,611.20-17,966,416.80-4,790,254.40

Finding the Fourth Proportional to 11,977,611.20, 17,966,416.80 and 4,790,254.40

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Solution

The fourth proportional to 11,977,611.20, 17,966,416.80 and 4,790,254.40 is: 7,185,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977,611.20 : 17,966,416.80 = 4,790,254.40 : x
  2. Step 2: Convert to fraction form
    11,977,611.20/17,966,416.80 = 4,790,254.40/x
  3. Step 3: Cross multiply
    11,977,611.20x = 17,966,416.80 × 4,790,254.40
  4. Step 4: Simplify right side
    11,977,611.20x = 86,063,707,128,433.94
  5. Step 5: Solve for x
    x = 86,063,707,128,433.94/11,977,611.20
  6. Step 6: Final answer
    x = 7,185,381.60

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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.