Home / 12,770,037.40-19,155,056.10-12,266,152.60

Finding the Fourth Proportional to 12,770,037.40, 19,155,056.10 and 12,266,152.60

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Solution

The fourth proportional to 12,770,037.40, 19,155,056.10 and 12,266,152.60 is: 18,399,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,037.40 : 19,155,056.10 = 12,266,152.60 : x
  2. Step 2: Convert to fraction form
    12,770,037.40/19,155,056.10 = 12,266,152.60/x
  3. Step 3: Cross multiply
    12,770,037.40x = 19,155,056.10 × 12,266,152.60
  4. Step 4: Simplify right side
    12,770,037.40x = 234,958,841,184,160.88
  5. Step 5: Solve for x
    x = 234,958,841,184,160.88/12,770,037.40
  6. Step 6: Final answer
    x = 18,399,228.90

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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.