Home / 5,377,985.20-8,066,977.80-5,377,985.20

Finding the Fourth Proportional to 5,377,985.20, 8,066,977.80 and 5,377,985.20

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Solution

The fourth proportional to 5,377,985.20, 8,066,977.80 and 5,377,985.20 is: 8,066,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,985.20 : 8,066,977.80 = 5,377,985.20 : x
  2. Step 2: Convert to fraction form
    5,377,985.20/8,066,977.80 = 5,377,985.20/x
  3. Step 3: Cross multiply
    5,377,985.20x = 8,066,977.80 × 5,377,985.20
  4. Step 4: Simplify right side
    5,377,985.20x = 43,384,087,217,128.56
  5. Step 5: Solve for x
    x = 43,384,087,217,128.56/5,377,985.20
  6. Step 6: Final answer
    x = 8,066,977.80

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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.