Home / 23,146,856.88-31,950,929.16-15,799,431.12

Finding the Fourth Proportional to 23,146,856.88, 31,950,929.16 and 15,799,431.12

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Solution

The fourth proportional to 23,146,856.88, 31,950,929.16 and 15,799,431.12 is: 21,808,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146,856.88 : 31,950,929.16 = 15,799,431.12 : x
  2. Step 2: Convert to fraction form
    23,146,856.88/31,950,929.16 = 15,799,431.12/x
  3. Step 3: Cross multiply
    23,146,856.88x = 31,950,929.16 × 15,799,431.12
  4. Step 4: Simplify right side
    23,146,856.88x = 504,806,504,483,419.44
  5. Step 5: Solve for x
    x = 504,806,504,483,419.44/23,146,856.88
  6. Step 6: Final answer
    x = 21,808,857.55

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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.