Home / 22,919,307.86-31,629,243.30-12,606,301.64

Finding the Fourth Proportional to 22,919,307.86, 31,629,243.30 and 12,606,301.64

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Solution

The fourth proportional to 22,919,307.86, 31,629,243.30 and 12,606,301.64 is: 17,397,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919,307.86 : 31,629,243.30 = 12,606,301.64 : x
  2. Step 2: Convert to fraction form
    22,919,307.86/31,629,243.30 = 12,606,301.64/x
  3. Step 3: Cross multiply
    22,919,307.86x = 31,629,243.30 × 12,606,301.64
  4. Step 4: Simplify right side
    22,919,307.86x = 398,727,781,684,749.06
  5. Step 5: Solve for x
    x = 398,727,781,684,749.06/22,919,307.86
  6. Step 6: Final answer
    x = 17,397,025.43

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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.