Home / 30,331,234.80-45,496,852.20-9,860,914.80

Finding the Fourth Proportional to 30,331,234.80, 45,496,852.20 and 9,860,914.80

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Solution

The fourth proportional to 30,331,234.80, 45,496,852.20 and 9,860,914.80 is: 14,791,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331,234.80 : 45,496,852.20 = 9,860,914.80 : x
  2. Step 2: Convert to fraction form
    30,331,234.80/45,496,852.20 = 9,860,914.80/x
  3. Step 3: Cross multiply
    30,331,234.80x = 45,496,852.20 × 9,860,914.80
  4. Step 4: Simplify right side
    30,331,234.80x = 448,640,583,212,392.62
  5. Step 5: Solve for x
    x = 448,640,583,212,392.62/30,331,234.80
  6. Step 6: Final answer
    x = 14,791,372.20

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Double scale
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Similar ratio
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1.5x scale

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.