Home / 12,586,649.96-17,370,920-7,361,255.72

Finding the Fourth Proportional to 12,586,649.96, 17,370,920 and 7,361,255.72

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Solution

The fourth proportional to 12,586,649.96, 17,370,920 and 7,361,255.72 is: 10,159,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,649.96 : 17,370,920 = 7,361,255.72 : x
  2. Step 2: Convert to fraction form
    12,586,649.96/17,370,920 = 7,361,255.72/x
  3. Step 3: Cross multiply
    12,586,649.96x = 17,370,920 × 7,361,255.72
  4. Step 4: Simplify right side
    12,586,649.96x = 127,871,784,211,662.39
  5. Step 5: Solve for x
    x = 127,871,784,211,662.39/12,586,649.96
  6. Step 6: Final answer
    x = 10,159,318.37

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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.