Home / 7,013,412.80-10,524,266.40-5,115,377.60

Finding the Fourth Proportional to 7,013,412.80, 10,524,266.40 and 5,115,377.60

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Solution

The fourth proportional to 7,013,412.80, 10,524,266.40 and 5,115,377.60 is: 7,676,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,412.80 : 10,524,266.40 = 5,115,377.60 : x
  2. Step 2: Convert to fraction form
    7,013,412.80/10,524,266.40 = 5,115,377.60/x
  3. Step 3: Cross multiply
    7,013,412.80x = 10,524,266.40 × 5,115,377.60
  4. Step 4: Simplify right side
    7,013,412.80x = 53,835,596,598,992.64
  5. Step 5: Solve for x
    x = 53,835,596,598,992.64/7,013,412.80
  6. Step 6: Final answer
    x = 7,676,091.25

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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.