Home / 12,040,789.84-16,616,301.20-6,884,259.36

Finding the Fourth Proportional to 12,040,789.84, 16,616,301.20 and 6,884,259.36

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Solution

The fourth proportional to 12,040,789.84, 16,616,301.20 and 6,884,259.36 is: 9,500,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040,789.84 : 16,616,301.20 = 6,884,259.36 : x
  2. Step 2: Convert to fraction form
    12,040,789.84/16,616,301.20 = 6,884,259.36/x
  3. Step 3: Cross multiply
    12,040,789.84x = 16,616,301.20 × 6,884,259.36
  4. Step 4: Simplify right side
    12,040,789.84x = 114,390,927,064,679.23
  5. Step 5: Solve for x
    x = 114,390,927,064,679.23/12,040,789.84
  6. Step 6: Final answer
    x = 9,500,284.33

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1.5x scale

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.