Home / 30,820,993.98-42,532,865.55-17,768,190.66

Finding the Fourth Proportional to 30,820,993.98, 42,532,865.55 and 17,768,190.66

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Solution

The fourth proportional to 30,820,993.98, 42,532,865.55 and 17,768,190.66 is: 24,520,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820,993.98 : 42,532,865.55 = 17,768,190.66 : x
  2. Step 2: Convert to fraction form
    30,820,993.98/42,532,865.55 = 17,768,190.66/x
  3. Step 3: Cross multiply
    30,820,993.98x = 42,532,865.55 × 17,768,190.66
  4. Step 4: Simplify right side
    30,820,993.98x = 755,732,064,408,545.75
  5. Step 5: Solve for x
    x = 755,732,064,408,545.75/30,820,993.98
  6. Step 6: Final answer
    x = 24,520,041.92

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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.