Home / 10,745,129.80-16,117,694.70-9,662,710.60

Finding the Fourth Proportional to 10,745,129.80, 16,117,694.70 and 9,662,710.60

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Solution

The fourth proportional to 10,745,129.80, 16,117,694.70 and 9,662,710.60 is: 14,494,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745,129.80 : 16,117,694.70 = 9,662,710.60 : x
  2. Step 2: Convert to fraction form
    10,745,129.80/16,117,694.70 = 9,662,710.60/x
  3. Step 3: Cross multiply
    10,745,129.80x = 16,117,694.70 × 9,662,710.60
  4. Step 4: Simplify right side
    10,745,129.80x = 155,740,619,425,253.81
  5. Step 5: Solve for x
    x = 155,740,619,425,253.81/10,745,129.80
  6. Step 6: Final answer
    x = 14,494,065.90

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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.