Home / 19,449,638.76-29,175,702.30-7,482,374.76

Finding the Fourth Proportional to 19,449,638.76, 29,175,702.30 and 7,482,374.76

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Solution

The fourth proportional to 19,449,638.76, 29,175,702.30 and 7,482,374.76 is: 11,224,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449,638.76 : 29,175,702.30 = 7,482,374.76 : x
  2. Step 2: Convert to fraction form
    19,449,638.76/29,175,702.30 = 7,482,374.76/x
  3. Step 3: Cross multiply
    19,449,638.76x = 29,175,702.30 × 7,482,374.76
  4. Step 4: Simplify right side
    19,449,638.76x = 218,303,538,494,793.94
  5. Step 5: Solve for x
    x = 218,303,538,494,793.94/19,449,638.76
  6. Step 6: Final answer
    x = 11,224,040.77

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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.