Home / 10,745,148.80-16,117,723.20-9,662,729.60

Finding the Fourth Proportional to 10,745,148.80, 16,117,723.20 and 9,662,729.60

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Solution

The fourth proportional to 10,745,148.80, 16,117,723.20 and 9,662,729.60 is: 14,494,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745,148.80 : 16,117,723.20 = 9,662,729.60 : x
  2. Step 2: Convert to fraction form
    10,745,148.80/16,117,723.20 = 9,662,729.60/x
  3. Step 3: Cross multiply
    10,745,148.80x = 16,117,723.20 × 9,662,729.60
  4. Step 4: Simplify right side
    10,745,148.80x = 155,741,201,049,246.72
  5. Step 5: Solve for x
    x = 155,741,201,049,246.72/10,745,148.80
  6. Step 6: Final answer
    x = 14,494,094.40

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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.