Home / 7,121,026.35-10,681,539.65-1,729,640.44

Finding the Fourth Proportional to 7,121,026.35, 10,681,539.65 and 1,729,640.44

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Solution

The fourth proportional to 7,121,026.35, 10,681,539.65 and 1,729,640.44 is: 2,594,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,026.35 : 10,681,539.65 = 1,729,640.44 : x
  2. Step 2: Convert to fraction form
    7,121,026.35/10,681,539.65 = 1,729,640.44/x
  3. Step 3: Cross multiply
    7,121,026.35x = 10,681,539.65 × 1,729,640.44
  4. Step 4: Simplify right side
    7,121,026.35x = 18,475,222,956,369.91
  5. Step 5: Solve for x
    x = 18,475,222,956,369.91/7,121,026.35
  6. Step 6: Final answer
    x = 2,594,460.69

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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.