Home / 50,688,003.70-76,032,005.55-12,865,539.70

Finding the Fourth Proportional to 50,688,003.70, 76,032,005.55 and 12,865,539.70

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Solution

The fourth proportional to 50,688,003.70, 76,032,005.55 and 12,865,539.70 is: 19,298,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,003.70 : 76,032,005.55 = 12,865,539.70 : x
  2. Step 2: Convert to fraction form
    50,688,003.70/76,032,005.55 = 12,865,539.70/x
  3. Step 3: Cross multiply
    50,688,003.70x = 76,032,005.55 × 12,865,539.70
  4. Step 4: Simplify right side
    50,688,003.70x = 978,192,785,874,145.25
  5. Step 5: Solve for x
    x = 978,192,785,874,145.25/50,688,003.70
  6. Step 6: Final answer
    x = 19,298,309.55

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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.