Home / 23,133,735.55-31,924,011.78-12,820,237.21

Finding the Fourth Proportional to 23,133,735.55, 31,924,011.78 and 12,820,237.21

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Solution

The fourth proportional to 23,133,735.55, 31,924,011.78 and 12,820,237.21 is: 17,691,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,735.55 : 31,924,011.78 = 12,820,237.21 : x
  2. Step 2: Convert to fraction form
    23,133,735.55/31,924,011.78 = 12,820,237.21/x
  3. Step 3: Cross multiply
    23,133,735.55x = 31,924,011.78 × 12,820,237.21
  4. Step 4: Simplify right side
    23,133,735.55x = 409,273,403,714,434.38
  5. Step 5: Solve for x
    x = 409,273,403,714,434.38/23,133,735.55
  6. Step 6: Final answer
    x = 17,691,626.28

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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.