Home / 14,321,259.68-19,765,021.28-8,042,818.88

Finding the Fourth Proportional to 14,321,259.68, 19,765,021.28 and 8,042,818.88

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Solution

The fourth proportional to 14,321,259.68, 19,765,021.28 and 8,042,818.88 is: 11,100,035.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321,259.68 : 19,765,021.28 = 8,042,818.88 : x
  2. Step 2: Convert to fraction form
    14,321,259.68/19,765,021.28 = 8,042,818.88/x
  3. Step 3: Cross multiply
    14,321,259.68x = 19,765,021.28 × 8,042,818.88
  4. Step 4: Simplify right side
    14,321,259.68x = 158,966,486,314,385.78
  5. Step 5: Solve for x
    x = 158,966,486,314,385.78/14,321,259.68
  6. Step 6: Final answer
    x = 11,100,035.18

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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.