Home / 13,878,739.50-19,162,762.83-11,140,489.14

Finding the Fourth Proportional to 13,878,739.50, 19,162,762.83 and 11,140,489.14

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Solution

The fourth proportional to 13,878,739.50, 19,162,762.83 and 11,140,489.14 is: 15,381,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,739.50 : 19,162,762.83 = 11,140,489.14 : x
  2. Step 2: Convert to fraction form
    13,878,739.50/19,162,762.83 = 11,140,489.14/x
  3. Step 3: Cross multiply
    13,878,739.50x = 19,162,762.83 × 11,140,489.14
  4. Step 4: Simplify right side
    13,878,739.50x = 213,482,551,200,010.66
  5. Step 5: Solve for x
    x = 213,482,551,200,010.66/13,878,739.50
  6. Step 6: Final answer
    x = 15,381,984.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.