Home / 10,602,505.80-15,910,319.70-4,212,091.80

Finding the Fourth Proportional to 10,602,505.80, 15,910,319.70 and 4,212,091.80

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Solution

The fourth proportional to 10,602,505.80, 15,910,319.70 and 4,212,091.80 is: 6,320,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602,505.80 : 15,910,319.70 = 4,212,091.80 : x
  2. Step 2: Convert to fraction form
    10,602,505.80/15,910,319.70 = 4,212,091.80/x
  3. Step 3: Cross multiply
    10,602,505.80x = 15,910,319.70 × 4,212,091.80
  4. Step 4: Simplify right side
    10,602,505.80x = 67,015,727,143,748.45
  5. Step 5: Solve for x
    x = 67,015,727,143,748.45/10,602,505.80
  6. Step 6: Final answer
    x = 6,320,744.21

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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.