Home / 20,710,951.84-31,066,426.20-19,675,333.90

Finding the Fourth Proportional to 20,710,951.84, 31,066,426.20 and 19,675,333.90

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Solution

The fourth proportional to 20,710,951.84, 31,066,426.20 and 19,675,333.90 is: 29,512,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,951.84 : 31,066,426.20 = 19,675,333.90 : x
  2. Step 2: Convert to fraction form
    20,710,951.84/31,066,426.20 = 19,675,333.90/x
  3. Step 3: Cross multiply
    20,710,951.84x = 31,066,426.20 × 19,675,333.90
  4. Step 4: Simplify right side
    20,710,951.84x = 611,242,308,409,376
  5. Step 5: Solve for x
    x = 611,242,308,409,376/20,710,951.84
  6. Step 6: Final answer
    x = 29,512,999.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.