Home / 13,236,424.82-19,855,781.55-3,651,803.16

Finding the Fourth Proportional to 13,236,424.82, 19,855,781.55 and 3,651,803.16

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Solution

The fourth proportional to 13,236,424.82, 19,855,781.55 and 3,651,803.16 is: 5,478,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,424.82 : 19,855,781.55 = 3,651,803.16 : x
  2. Step 2: Convert to fraction form
    13,236,424.82/19,855,781.55 = 3,651,803.16/x
  3. Step 3: Cross multiply
    13,236,424.82x = 19,855,781.55 × 3,651,803.16
  4. Step 4: Simplify right side
    13,236,424.82x = 72,509,405,808,559.70
  5. Step 5: Solve for x
    x = 72,509,405,808,559.70/13,236,424.82
  6. Step 6: Final answer
    x = 5,478,020.45

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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.