Home / 40,482,961.74-60,724,368.78-13,189,222.26

Finding the Fourth Proportional to 40,482,961.74, 60,724,368.78 and 13,189,222.26

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Solution

The fourth proportional to 40,482,961.74, 60,724,368.78 and 13,189,222.26 is: 19,783,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482,961.74 : 60,724,368.78 = 13,189,222.26 : x
  2. Step 2: Convert to fraction form
    40,482,961.74/60,724,368.78 = 13,189,222.26/x
  3. Step 3: Cross multiply
    40,482,961.74x = 60,724,368.78 × 13,189,222.26
  4. Step 4: Simplify right side
    40,482,961.74x = 800,907,196,437,625
  5. Step 5: Solve for x
    x = 800,907,196,437,625/40,482,961.74
  6. Step 6: Final answer
    x = 19,783,809.34

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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.