Home / 12,300,966.40-18,451,449.60-5,909,677.60

Finding the Fourth Proportional to 12,300,966.40, 18,451,449.60 and 5,909,677.60

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Solution

The fourth proportional to 12,300,966.40, 18,451,449.60 and 5,909,677.60 is: 8,864,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,966.40 : 18,451,449.60 = 5,909,677.60 : x
  2. Step 2: Convert to fraction form
    12,300,966.40/18,451,449.60 = 5,909,677.60/x
  3. Step 3: Cross multiply
    12,300,966.40x = 18,451,449.60 × 5,909,677.60
  4. Step 4: Simplify right side
    12,300,966.40x = 109,042,118,388,648.97
  5. Step 5: Solve for x
    x = 109,042,118,388,648.97/12,300,966.40
  6. Step 6: Final answer
    x = 8,864,516.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.