Home / 7,287,103.80-10,930,655.70-2,238,665.40

Finding the Fourth Proportional to 7,287,103.80, 10,930,655.70 and 2,238,665.40

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Solution

The fourth proportional to 7,287,103.80, 10,930,655.70 and 2,238,665.40 is: 3,357,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,103.80 : 10,930,655.70 = 2,238,665.40 : x
  2. Step 2: Convert to fraction form
    7,287,103.80/10,930,655.70 = 2,238,665.40/x
  3. Step 3: Cross multiply
    7,287,103.80x = 10,930,655.70 × 2,238,665.40
  4. Step 4: Simplify right side
    7,287,103.80x = 24,470,080,714,902.78
  5. Step 5: Solve for x
    x = 24,470,080,714,902.78/7,287,103.80
  6. Step 6: Final answer
    x = 3,357,998.10

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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.