Home / 10,069,917.40-15,069,446.70-9,219,611.80

Finding the Fourth Proportional to 10,069,917.40, 15,069,446.70 and 9,219,611.80

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Solution

The fourth proportional to 10,069,917.40, 15,069,446.70 and 9,219,611.80 is: 13,796,979.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069,917.40 : 15,069,446.70 = 9,219,611.80 : x
  2. Step 2: Convert to fraction form
    10,069,917.40/15,069,446.70 = 9,219,611.80/x
  3. Step 3: Cross multiply
    10,069,917.40x = 15,069,446.70 × 9,219,611.80
  4. Step 4: Simplify right side
    10,069,917.40x = 138,934,448,614,791.06
  5. Step 5: Solve for x
    x = 138,934,448,614,791.06/10,069,917.40
  6. Step 6: Final answer
    x = 13,796,979.96

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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.