Home / 12,051,628.53-16,636,336.73-8,136,688.05

Finding the Fourth Proportional to 12,051,628.53, 16,636,336.73 and 8,136,688.05

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Solution

The fourth proportional to 12,051,628.53, 16,636,336.73 and 8,136,688.05 is: 11,232,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,628.53 : 16,636,336.73 = 8,136,688.05 : x
  2. Step 2: Convert to fraction form
    12,051,628.53/16,636,336.73 = 8,136,688.05/x
  3. Step 3: Cross multiply
    12,051,628.53x = 16,636,336.73 × 8,136,688.05
  4. Step 4: Simplify right side
    12,051,628.53x = 135,364,682,226,083.62
  5. Step 5: Solve for x
    x = 135,364,682,226,083.62/12,051,628.53
  6. Step 6: Final answer
    x = 11,232,065.60

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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.