Home / 9,791,992.40-14,687,988.60-9,128,440.40

Finding the Fourth Proportional to 9,791,992.40, 14,687,988.60 and 9,128,440.40

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Solution

The fourth proportional to 9,791,992.40, 14,687,988.60 and 9,128,440.40 is: 13,692,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791,992.40 : 14,687,988.60 = 9,128,440.40 : x
  2. Step 2: Convert to fraction form
    9,791,992.40/14,687,988.60 = 9,128,440.40/x
  3. Step 3: Cross multiply
    9,791,992.40x = 14,687,988.60 × 9,128,440.40
  4. Step 4: Simplify right side
    9,791,992.40x = 134,078,428,530,979.44
  5. Step 5: Solve for x
    x = 134,078,428,530,979.44/9,791,992.40
  6. Step 6: Final answer
    x = 13,692,660.60

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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.