Home / 7,105,136.40-10,645,457.40-3,310,837.20

Finding the Fourth Proportional to 7,105,136.40, 10,645,457.40 and 3,310,837.20

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Solution

The fourth proportional to 7,105,136.40, 10,645,457.40 and 3,310,837.20 is: 4,960,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,136.40 : 10,645,457.40 = 3,310,837.20 : x
  2. Step 2: Convert to fraction form
    7,105,136.40/10,645,457.40 = 3,310,837.20/x
  3. Step 3: Cross multiply
    7,105,136.40x = 10,645,457.40 × 3,310,837.20
  4. Step 4: Simplify right side
    7,105,136.40x = 35,245,376,370,935.28
  5. Step 5: Solve for x
    x = 35,245,376,370,935.28/7,105,136.40
  6. Step 6: Final answer
    x = 4,960,548.87

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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.