Home / 11,309,990.40-16,964,985.60-7,726,809.60

Finding the Fourth Proportional to 11,309,990.40, 16,964,985.60 and 7,726,809.60

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Solution

The fourth proportional to 11,309,990.40, 16,964,985.60 and 7,726,809.60 is: 11,590,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309,990.40 : 16,964,985.60 = 7,726,809.60 : x
  2. Step 2: Convert to fraction form
    11,309,990.40/16,964,985.60 = 7,726,809.60/x
  3. Step 3: Cross multiply
    11,309,990.40x = 16,964,985.60 × 7,726,809.60
  4. Step 4: Simplify right side
    11,309,990.40x = 131,085,213,597,941.77
  5. Step 5: Solve for x
    x = 131,085,213,597,941.77/11,309,990.40
  6. Step 6: Final answer
    x = 11,590,214.40

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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.