Home / 19,791,759.40-29,687,639.10-11,829,135.40

Finding the Fourth Proportional to 19,791,759.40, 29,687,639.10 and 11,829,135.40

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Solution

The fourth proportional to 19,791,759.40, 29,687,639.10 and 11,829,135.40 is: 17,743,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791,759.40 : 29,687,639.10 = 11,829,135.40 : x
  2. Step 2: Convert to fraction form
    19,791,759.40/29,687,639.10 = 11,829,135.40/x
  3. Step 3: Cross multiply
    19,791,759.40x = 29,687,639.10 × 11,829,135.40
  4. Step 4: Simplify right side
    19,791,759.40x = 351,179,102,620,234.19
  5. Step 5: Solve for x
    x = 351,179,102,620,234.19/19,791,759.40
  6. Step 6: Final answer
    x = 17,743,703.10

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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.