Home / 9,361,361.40-12,918,696.29-5,231,392.56

Finding the Fourth Proportional to 9,361,361.40, 12,918,696.29 and 5,231,392.56

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Solution

The fourth proportional to 9,361,361.40, 12,918,696.29 and 5,231,392.56 is: 7,219,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,361.40 : 12,918,696.29 = 5,231,392.56 : x
  2. Step 2: Convert to fraction form
    9,361,361.40/12,918,696.29 = 5,231,392.56/x
  3. Step 3: Cross multiply
    9,361,361.40x = 12,918,696.29 × 5,231,392.56
  4. Step 4: Simplify right side
    9,361,361.40x = 67,582,771,630,248.63
  5. Step 5: Solve for x
    x = 67,582,771,630,248.63/9,361,361.40
  6. Step 6: Final answer
    x = 7,219,331.54

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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.