Home / 9,906,817.92-13,658,752.62-6,415,988.46

Finding the Fourth Proportional to 9,906,817.92, 13,658,752.62 and 6,415,988.46

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Solution

The fourth proportional to 9,906,817.92, 13,658,752.62 and 6,415,988.46 is: 8,845,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,817.92 : 13,658,752.62 = 6,415,988.46 : x
  2. Step 2: Convert to fraction form
    9,906,817.92/13,658,752.62 = 6,415,988.46/x
  3. Step 3: Cross multiply
    9,906,817.92x = 13,658,752.62 × 6,415,988.46
  4. Step 4: Simplify right side
    9,906,817.92x = 87,634,399,187,914.77
  5. Step 5: Solve for x
    x = 87,634,399,187,914.77/9,906,817.92
  6. Step 6: Final answer
    x = 8,845,867.55

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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.