Home / 12,183,438.30-16,811,973.27-7,287,668.70

Finding the Fourth Proportional to 12,183,438.30, 16,811,973.27 and 7,287,668.70

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Solution

The fourth proportional to 12,183,438.30, 16,811,973.27 and 7,287,668.70 is: 10,056,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,438.30 : 16,811,973.27 = 7,287,668.70 : x
  2. Step 2: Convert to fraction form
    12,183,438.30/16,811,973.27 = 7,287,668.70/x
  3. Step 3: Cross multiply
    12,183,438.30x = 16,811,973.27 × 7,287,668.70
  4. Step 4: Simplify right side
    12,183,438.30x = 122,520,091,385,015.66
  5. Step 5: Solve for x
    x = 122,520,091,385,015.66/12,183,438.30
  6. Step 6: Final answer
    x = 10,056,282.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.