Home / 12,621,190.16-17,417,241.68-6,819,971.73

Finding the Fourth Proportional to 12,621,190.16, 17,417,241.68 and 6,819,971.73

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Solution

The fourth proportional to 12,621,190.16, 17,417,241.68 and 6,819,971.73 is: 9,411,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,190.16 : 17,417,241.68 = 6,819,971.73 : x
  2. Step 2: Convert to fraction form
    12,621,190.16/17,417,241.68 = 6,819,971.73/x
  3. Step 3: Cross multiply
    12,621,190.16x = 17,417,241.68 × 6,819,971.73
  4. Step 4: Simplify right side
    12,621,190.16x = 118,785,095,838,077.86
  5. Step 5: Solve for x
    x = 118,785,095,838,077.86/12,621,190.16
  6. Step 6: Final answer
    x = 9,411,560.59

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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.