Home / 23,133,702.72-31,923,966.51-12,820,204.38

Finding the Fourth Proportional to 23,133,702.72, 31,923,966.51 and 12,820,204.38

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Solution

The fourth proportional to 23,133,702.72, 31,923,966.51 and 12,820,204.38 is: 17,691,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,702.72 : 31,923,966.51 = 12,820,204.38 : x
  2. Step 2: Convert to fraction form
    23,133,702.72/31,923,966.51 = 12,820,204.38/x
  3. Step 3: Cross multiply
    23,133,702.72x = 31,923,966.51 × 12,820,204.38
  4. Step 4: Simplify right side
    23,133,702.72x = 409,271,775,278,475.38
  5. Step 5: Solve for x
    x = 409,271,775,278,475.38/23,133,702.72
  6. Step 6: Final answer
    x = 17,691,580.99

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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.