Home / 10,912,077.80-16,357,619.10-8,481,883.40

Finding the Fourth Proportional to 10,912,077.80, 16,357,619.10 and 8,481,883.40

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Solution

The fourth proportional to 10,912,077.80, 16,357,619.10 and 8,481,883.40 is: 12,714,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912,077.80 : 16,357,619.10 = 8,481,883.40 : x
  2. Step 2: Convert to fraction form
    10,912,077.80/16,357,619.10 = 8,481,883.40/x
  3. Step 3: Cross multiply
    10,912,077.80x = 16,357,619.10 × 8,481,883.40
  4. Step 4: Simplify right side
    10,912,077.80x = 138,743,417,907,812.94
  5. Step 5: Solve for x
    x = 138,743,417,907,812.94/10,912,077.80
  6. Step 6: Final answer
    x = 12,714,665.39

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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.