Home / 12,672,212.80-19,003,653.60-4,152,827.20

Finding the Fourth Proportional to 12,672,212.80, 19,003,653.60 and 4,152,827.20

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Solution

The fourth proportional to 12,672,212.80, 19,003,653.60 and 4,152,827.20 is: 6,227,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,212.80 : 19,003,653.60 = 4,152,827.20 : x
  2. Step 2: Convert to fraction form
    12,672,212.80/19,003,653.60 = 4,152,827.20/x
  3. Step 3: Cross multiply
    12,672,212.80x = 19,003,653.60 × 4,152,827.20
  4. Step 4: Simplify right side
    12,672,212.80x = 78,918,889,569,457.94
  5. Step 5: Solve for x
    x = 78,918,889,569,457.94/12,672,212.80
  6. Step 6: Final answer
    x = 6,227,711.83

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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.