Home / 30,502,149.67-42,092,813.57-16,563,380.26

Finding the Fourth Proportional to 30,502,149.67, 42,092,813.57 and 16,563,380.26

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Solution

The fourth proportional to 30,502,149.67, 42,092,813.57 and 16,563,380.26 is: 22,857,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,149.67 : 42,092,813.57 = 16,563,380.26 : x
  2. Step 2: Convert to fraction form
    30,502,149.67/42,092,813.57 = 16,563,380.26/x
  3. Step 3: Cross multiply
    30,502,149.67x = 42,092,813.57 × 16,563,380.26
  4. Step 4: Simplify right side
    30,502,149.67x = 697,199,277,373,198.12
  5. Step 5: Solve for x
    x = 697,199,277,373,198.12/30,502,149.67
  6. Step 6: Final answer
    x = 22,857,381.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.