Home / 18,671,159.70-28,006,739.55-4,487,735.70

Finding the Fourth Proportional to 18,671,159.70, 28,006,739.55 and 4,487,735.70

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Solution

The fourth proportional to 18,671,159.70, 28,006,739.55 and 4,487,735.70 is: 6,731,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,159.70 : 28,006,739.55 = 4,487,735.70 : x
  2. Step 2: Convert to fraction form
    18,671,159.70/28,006,739.55 = 4,487,735.70/x
  3. Step 3: Cross multiply
    18,671,159.70x = 28,006,739.55 × 4,487,735.70
  4. Step 4: Simplify right side
    18,671,159.70x = 125,686,844,919,136.94
  5. Step 5: Solve for x
    x = 125,686,844,919,136.94/18,671,159.70
  6. Step 6: Final answer
    x = 6,731,603.55

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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.