Home / 28,271,216.13-42,401,776.05-7,521,773.46

Finding the Fourth Proportional to 28,271,216.13, 42,401,776.05 and 7,521,773.46

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Solution

The fourth proportional to 28,271,216.13, 42,401,776.05 and 7,521,773.46 is: 11,281,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271,216.13 : 42,401,776.05 = 7,521,773.46 : x
  2. Step 2: Convert to fraction form
    28,271,216.13/42,401,776.05 = 7,521,773.46/x
  3. Step 3: Cross multiply
    28,271,216.13x = 42,401,776.05 × 7,521,773.46
  4. Step 4: Simplify right side
    28,271,216.13x = 318,936,553,749,753.62
  5. Step 5: Solve for x
    x = 318,936,553,749,753.62/28,271,216.13
  6. Step 6: Final answer
    x = 11,281,317.09

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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.