Home / 11,017,213.81-15,187,731.04-7,699,206.77

Finding the Fourth Proportional to 11,017,213.81, 15,187,731.04 and 7,699,206.77

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Solution

The fourth proportional to 11,017,213.81, 15,187,731.04 and 7,699,206.77 is: 10,613,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017,213.81 : 15,187,731.04 = 7,699,206.77 : x
  2. Step 2: Convert to fraction form
    11,017,213.81/15,187,731.04 = 7,699,206.77/x
  3. Step 3: Cross multiply
    11,017,213.81x = 15,187,731.04 × 7,699,206.77
  4. Step 4: Simplify right side
    11,017,213.81x = 116,933,481,529,672.45
  5. Step 5: Solve for x
    x = 116,933,481,529,672.45/11,017,213.81
  6. Step 6: Final answer
    x = 10,613,707.20

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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.