Home / 22,590,258.78-31,174,751.97-12,276,984

Finding the Fourth Proportional to 22,590,258.78, 31,174,751.97 and 12,276,984

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Solution

The fourth proportional to 22,590,258.78, 31,174,751.97 and 12,276,984 is: 16,942,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,590,258.78 : 31,174,751.97 = 12,276,984 : x
  2. Step 2: Convert to fraction form
    22,590,258.78/31,174,751.97 = 12,276,984/x
  3. Step 3: Cross multiply
    22,590,258.78x = 31,174,751.97 × 12,276,984
  4. Step 4: Simplify right side
    22,590,258.78x = 382,731,931,139,658.44
  5. Step 5: Solve for x
    x = 382,731,931,139,658.44/22,590,258.78
  6. Step 6: Final answer
    x = 16,942,343.82

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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.