Home / 13,513,861.90-20,272,080.21-3,798,449.74

Finding the Fourth Proportional to 13,513,861.90, 20,272,080.21 and 3,798,449.74

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Solution

The fourth proportional to 13,513,861.90, 20,272,080.21 and 3,798,449.74 is: 5,698,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,861.90 : 20,272,080.21 = 3,798,449.74 : x
  2. Step 2: Convert to fraction form
    13,513,861.90/20,272,080.21 = 3,798,449.74/x
  3. Step 3: Cross multiply
    13,513,861.90x = 20,272,080.21 × 3,798,449.74
  4. Step 4: Simplify right side
    13,513,861.90x = 77,002,477,802,933.66
  5. Step 5: Solve for x
    x = 77,002,477,802,933.66/13,513,861.90
  6. Step 6: Final answer
    x = 5,698,036.46

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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.