Home / 13,291,418.80-19,937,128.20-3,194,039.80

Finding the Fourth Proportional to 13,291,418.80, 19,937,128.20 and 3,194,039.80

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Solution

The fourth proportional to 13,291,418.80, 19,937,128.20 and 3,194,039.80 is: 4,791,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,418.80 : 19,937,128.20 = 3,194,039.80 : x
  2. Step 2: Convert to fraction form
    13,291,418.80/19,937,128.20 = 3,194,039.80/x
  3. Step 3: Cross multiply
    13,291,418.80x = 19,937,128.20 × 3,194,039.80
  4. Step 4: Simplify right side
    13,291,418.80x = 63,679,980,968,502.35
  5. Step 5: Solve for x
    x = 63,679,980,968,502.35/13,291,418.80
  6. Step 6: Final answer
    x = 4,791,059.70

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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.