Home / 12,773,920.40-19,160,880.60-11,927,891.60

Finding the Fourth Proportional to 12,773,920.40, 19,160,880.60 and 11,927,891.60

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Solution

The fourth proportional to 12,773,920.40, 19,160,880.60 and 11,927,891.60 is: 17,891,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,920.40 : 19,160,880.60 = 11,927,891.60 : x
  2. Step 2: Convert to fraction form
    12,773,920.40/19,160,880.60 = 11,927,891.60/x
  3. Step 3: Cross multiply
    12,773,920.40x = 19,160,880.60 × 11,927,891.60
  4. Step 4: Simplify right side
    12,773,920.40x = 228,548,906,757,342.97
  5. Step 5: Solve for x
    x = 228,548,906,757,342.97/12,773,920.40
  6. Step 6: Final answer
    x = 17,891,837.40

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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.