Home / 31,529,935.67-43,512,602.63-19,923,264.23

Finding the Fourth Proportional to 31,529,935.67, 43,512,602.63 and 19,923,264.23

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Solution

The fourth proportional to 31,529,935.67, 43,512,602.63 and 19,923,264.23 is: 27,494,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529,935.67 : 43,512,602.63 = 19,923,264.23 : x
  2. Step 2: Convert to fraction form
    31,529,935.67/43,512,602.63 = 19,923,264.23/x
  3. Step 3: Cross multiply
    31,529,935.67x = 43,512,602.63 × 19,923,264.23
  4. Step 4: Simplify right side
    31,529,935.67x = 866,913,079,215,303.62
  5. Step 5: Solve for x
    x = 866,913,079,215,303.62/31,529,935.67
  6. Step 6: Final answer
    x = 27,494,920.65

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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.