Home / 30,380,792.80-45,575,193.60-9,903,337.60

Finding the Fourth Proportional to 30,380,792.80, 45,575,193.60 and 9,903,337.60

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Solution

The fourth proportional to 30,380,792.80, 45,575,193.60 and 9,903,337.60 is: 14,856,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380,792.80 : 45,575,193.60 = 9,903,337.60 : x
  2. Step 2: Convert to fraction form
    30,380,792.80/45,575,193.60 = 9,903,337.60/x
  3. Step 3: Cross multiply
    30,380,792.80x = 45,575,193.60 × 9,903,337.60
  4. Step 4: Simplify right side
    30,380,792.80x = 451,346,528,406,159.38
  5. Step 5: Solve for x
    x = 451,346,528,406,159.38/30,380,792.80
  6. Step 6: Final answer
    x = 14,856,311.73

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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.