Home / 12,440,489.60-17,173,639.04-8,772,394.88

Finding the Fourth Proportional to 12,440,489.60, 17,173,639.04 and 8,772,394.88

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Solution

The fourth proportional to 12,440,489.60, 17,173,639.04 and 8,772,394.88 is: 12,109,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,489.60 : 17,173,639.04 = 8,772,394.88 : x
  2. Step 2: Convert to fraction form
    12,440,489.60/17,173,639.04 = 8,772,394.88/x
  3. Step 3: Cross multiply
    12,440,489.60x = 17,173,639.04 × 8,772,394.88
  4. Step 4: Simplify right side
    12,440,489.60x = 150,653,943,185,464.12
  5. Step 5: Solve for x
    x = 150,653,943,185,464.12/12,440,489.60
  6. Step 6: Final answer
    x = 12,109,968.98

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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.