Home / 13,670,892.92-20,494,271.42-5,157,208.12

Finding the Fourth Proportional to 13,670,892.92, 20,494,271.42 and 5,157,208.12

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Solution

The fourth proportional to 13,670,892.92, 20,494,271.42 and 5,157,208.12 is: 7,731,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670,892.92 : 20,494,271.42 = 5,157,208.12 : x
  2. Step 2: Convert to fraction form
    13,670,892.92/20,494,271.42 = 5,157,208.12/x
  3. Step 3: Cross multiply
    13,670,892.92x = 20,494,271.42 × 5,157,208.12
  4. Step 4: Simplify right side
    13,670,892.92x = 105,693,222,980,707.94
  5. Step 5: Solve for x
    x = 105,693,222,980,707.94/13,670,892.92
  6. Step 6: Final answer
    x = 7,731,259.66

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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.