Home / 11,830,647.60-17,752,969.80-8,627,713.20

Finding the Fourth Proportional to 11,830,647.60, 17,752,969.80 and 8,627,713.20

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Solution

The fourth proportional to 11,830,647.60, 17,752,969.80 and 8,627,713.20 is: 12,946,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,830,647.60 : 17,752,969.80 = 8,627,713.20 : x
  2. Step 2: Convert to fraction form
    11,830,647.60/17,752,969.80 = 8,627,713.20/x
  3. Step 3: Cross multiply
    11,830,647.60x = 17,752,969.80 × 8,627,713.20
  4. Step 4: Simplify right side
    11,830,647.60x = 153,167,531,882,661.34
  5. Step 5: Solve for x
    x = 153,167,531,882,661.34/11,830,647.60
  6. Step 6: Final answer
    x = 12,946,673.51

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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.