Home / 12,348,048.81-17,040,307.36-6,915,540.81

Finding the Fourth Proportional to 12,348,048.81, 17,040,307.36 and 6,915,540.81

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Solution

The fourth proportional to 12,348,048.81, 17,040,307.36 and 6,915,540.81 is: 9,543,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,048.81 : 17,040,307.36 = 6,915,540.81 : x
  2. Step 2: Convert to fraction form
    12,348,048.81/17,040,307.36 = 6,915,540.81/x
  3. Step 3: Cross multiply
    12,348,048.81x = 17,040,307.36 × 6,915,540.81
  4. Step 4: Simplify right side
    12,348,048.81x = 117,842,940,963,023.34
  5. Step 5: Solve for x
    x = 117,842,940,963,023.34/12,348,048.81
  6. Step 6: Final answer
    x = 9,543,446.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.