Home / 30,329,821.90-45,494,732.85-13,323,709.90

Finding the Fourth Proportional to 30,329,821.90, 45,494,732.85 and 13,323,709.90

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Solution

The fourth proportional to 30,329,821.90, 45,494,732.85 and 13,323,709.90 is: 19,985,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329,821.90 : 45,494,732.85 = 13,323,709.90 : x
  2. Step 2: Convert to fraction form
    30,329,821.90/45,494,732.85 = 13,323,709.90/x
  3. Step 3: Cross multiply
    30,329,821.90x = 45,494,732.85 × 13,323,709.90
  4. Step 4: Simplify right side
    30,329,821.90x = 606,158,622,471,400.25
  5. Step 5: Solve for x
    x = 606,158,622,471,400.25/30,329,821.90
  6. Step 6: Final answer
    x = 19,985,564.85

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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.