Home / 7,002,005.80-10,503,008.70-1,683,221.80

Finding the Fourth Proportional to 7,002,005.80, 10,503,008.70 and 1,683,221.80

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Solution

The fourth proportional to 7,002,005.80, 10,503,008.70 and 1,683,221.80 is: 2,524,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,005.80 : 10,503,008.70 = 1,683,221.80 : x
  2. Step 2: Convert to fraction form
    7,002,005.80/10,503,008.70 = 1,683,221.80/x
  3. Step 3: Cross multiply
    7,002,005.80x = 10,503,008.70 × 1,683,221.80
  4. Step 4: Simplify right side
    7,002,005.80x = 17,678,893,209,429.66
  5. Step 5: Solve for x
    x = 17,678,893,209,429.66/7,002,005.80
  6. Step 6: Final answer
    x = 2,524,832.70

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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.