Home / 18,404,136.84-27,603,212.31-8,688,731.16

Finding the Fourth Proportional to 18,404,136.84, 27,603,212.31 and 8,688,731.16

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Solution

The fourth proportional to 18,404,136.84, 27,603,212.31 and 8,688,731.16 is: 13,031,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404,136.84 : 27,603,212.31 = 8,688,731.16 : x
  2. Step 2: Convert to fraction form
    18,404,136.84/27,603,212.31 = 8,688,731.16/x
  3. Step 3: Cross multiply
    18,404,136.84x = 27,603,212.31 × 8,688,731.16
  4. Step 4: Simplify right side
    18,404,136.84x = 239,836,890,913,992.56
  5. Step 5: Solve for x
    x = 239,836,890,913,992.56/18,404,136.84
  6. Step 6: Final answer
    x = 13,031,683.75

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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.