Home / 20,259,343.80-30,371,985.77-16,411,624.85

Finding the Fourth Proportional to 20,259,343.80, 30,371,985.77 and 16,411,624.85

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Solution

The fourth proportional to 20,259,343.80, 30,371,985.77 and 16,411,624.85 is: 24,603,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259,343.80 : 30,371,985.77 = 16,411,624.85 : x
  2. Step 2: Convert to fraction form
    20,259,343.80/30,371,985.77 = 16,411,624.85/x
  3. Step 3: Cross multiply
    20,259,343.80x = 30,371,985.77 × 16,411,624.85
  4. Step 4: Simplify right side
    20,259,343.80x = 498,453,636,406,778.38
  5. Step 5: Solve for x
    x = 498,453,636,406,778.38/20,259,343.80
  6. Step 6: Final answer
    x = 24,603,641.72

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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.